86797718916 has 24 divisors (see below), whose sum is σ = 202550185824. Its totient is φ = 28929405120.

The previous prime is 86797718879. The next prime is 86797718923. The reversal of 86797718916 is 61981779768.

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, 280470 + ... + 502253.

It is an arithmetic number, because the mean of its divisors is an integer number (8439591076).

Almost surely, 2^86797718916 is an apocalyptic number.

It is an amenable number.

86797718916 is an abundant number, since it is smaller than the sum of its proper divisors (115752466908).

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

86797718916 is a wasteful number, since it uses less digits than its factorization.

86797718916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791971 (or 791969 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 69.

The spelling of 86797718916 in words is "eighty-six billion, seven hundred ninety-seven million, seven hundred eighteen thousand, nine hundred sixteen".