84247101 has 32 divisors (see below), whose sum is σ = 127795200. Its totient is φ = 54840240.

The previous prime is 84247067. The next prime is 84247129. The reversal of 84247101 is 10174248.

It is not a de Polignac number, because 84247101 - 2¹¹ = 84245053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84247201) 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 31 ways as a sum of consecutive naturals, for example, 270736 + ... + 271046.

It is an arithmetic number, because the mean of its divisors is an integer number (3993600).

Almost surely, 2^84247101 is an apocalyptic number.

It is an amenable number.

84247101 is a deficient number, since it is larger than the sum of its proper divisors (43548099).

84247101 is a wasteful number, since it uses less digits than its factorization.

84247101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 84247101 is about 9178.6219553918. The cubic root of 84247101 is about 438.3809315064.

It can be divided in two parts, 84247 and 101, that added together give a palindrome (84348).

The spelling of 84247101 in words is "eighty-four million, two hundred forty-seven thousand, one hundred one".