84798480 has 80 divisors (see below), whose sum is σ = 283106880. Its totient is φ = 20872704.

The previous prime is 84798473. The next prime is 84798503. The reversal of 84798480 is 8489748.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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, 10470 + ... + 16709.

It is an arithmetic number, because the mean of its divisors is an integer number (3538836).

Almost surely, 2^84798480 is an apocalyptic number.

84798480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84798480 is an abundant number, since it is smaller than the sum of its proper divisors (198308400).

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

84798480 is a wasteful number, since it uses less digits than its factorization.

84798480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27208 (or 27202 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 84798480 is about 9208.6090154811. The cubic root of 84798480 is about 439.3352220153.

The spelling of 84798480 in words is "eighty-four million, seven hundred ninety-eight thousand, four hundred eighty".