85597013824 has 56 divisors (see below), whose sum is σ = 196855982208. Its totient is φ = 36167738880.

The previous prime is 85597013797. The next prime is 85597013861. The reversal of 85597013824 is 42831079558.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313719 + ... + 1377334.

Almost surely, 2^85597013824 is an apocalyptic number.

It is an amenable number.

85597013824 is an abundant number, since it is smaller than the sum of its proper divisors (111258968384).

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

85597013824 is a wasteful number, since it uses less digits than its factorization.

85597013824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691143 (or 2691133 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 85597013824 in words is "eighty-five billion, five hundred ninety-seven million, thirteen thousand, eight hundred twenty-four".