76917864 has 16 divisors (see below), whose sum is σ = 192294720. Its totient is φ = 25639280.

The previous prime is 76917853. The next prime is 76917881. The reversal of 76917864 is 46871967.

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, 1602432 + ... + 1602479.

It is an arithmetic number, because the mean of its divisors is an integer number (12018420).

Almost surely, 2^76917864 is an apocalyptic number.

It is an amenable number.

76917864 is an abundant number, since it is smaller than the sum of its proper divisors (115376856).

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

76917864 is a wasteful number, since it uses less digits than its factorization.

76917864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204920 (or 3204916 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 76917864 is about 8770.2830056960. The cubic root of 76917864 is about 425.2807630400.

The spelling of 76917864 in words is "seventy-six million, nine hundred seventeen thousand, eight hundred sixty-four".