84847488 has 128 divisors (see below), whose sum is σ = 251164800. Its totient is φ = 25159680.

The previous prime is 84847463. The next prime is 84847489. The reversal of 84847488 is 88474848.

It is a tau number, because it is divible by the number of its divisors (128).

Its product of digits (1835008) is a multiple of the sum of its prime divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 84847488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84847489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223683 + ... + 224061.

It is an arithmetic number, because the mean of its divisors is an integer number (1962225).

Almost surely, 2^84847488 is an apocalyptic number.

84847488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84847488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125582400).

84847488 is an abundant number, since it is smaller than the sum of its proper divisors (166317312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84847488 is a wasteful number, since it uses less digits than its factorization.

84847488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 448 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 51.

The square root of 84847488 is about 9211.2696193304. The cubic root of 84847488 is about 439.4198414333.

The spelling of 84847488 in words is "eighty-four million, eight hundred forty-seven thousand, four hundred eighty-eight".