865770536916 has 72 divisors (see below), whose sum is σ = 2377970067200. Its totient is φ = 264581821440.

The previous prime is 865770536857. The next prime is 865770536927. The reversal of 865770536916 is 619635077568.

865770536916 is a `hidden beast` number, since 8 + 6 + 5 + 7 + 7 + 0 + 536 + 91 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20394061 + ... + 20436468.

Almost surely, 2^865770536916 is an apocalyptic number.

It is an amenable number.

865770536916 is an abundant number, since it is smaller than the sum of its proper divisors (1512199530284).

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

865770536916 is a wasteful number, since it uses less digits than its factorization.

865770536916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40830589 (or 40830584 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 865770536916 in words is "eight hundred sixty-five billion, seven hundred seventy million, five hundred thirty-six thousand, nine hundred sixteen".