76573117864 has 16 divisors (see below), whose sum is σ = 143579671200. Its totient is φ = 38285205552.

The previous prime is 76573117853. The next prime is 76573117871. The reversal of 76573117864 is 46871137567.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95679 + ... + 402865.

It is an arithmetic number, because the mean of its divisors is an integer number (8973729450).

Almost surely, 2^76573117864 is an apocalyptic number.

It is an amenable number.

76573117864 is a deficient number, since it is larger than the sum of its proper divisors (67006553336).

76573117864 is a wasteful number, since it uses less digits than its factorization.

76573117864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338352 (or 338348 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The spelling of 76573117864 in words is "seventy-six billion, five hundred seventy-three million, one hundred seventeen thousand, eight hundred sixty-four".