864118974628 has 24 divisors (see below), whose sum is σ = 1861179330752. Its totient is φ = 341849264544.

The previous prime is 864118974613. The next prime is 864118974683. The reversal of 864118974628 is 826479811468.

It is a super-2 number, since 2×864118974628² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 864118974628.

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, 1186976250 + ... + 1186976977.

Almost surely, 2^864118974628 is an apocalyptic number.

It is an amenable number.

864118974628 is an abundant number, since it is smaller than the sum of its proper divisors (997060356124).

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

864118974628 is a wasteful number, since it uses less digits than its factorization.

864118974628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373953251 (or 2373953249 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 64.

The spelling of 864118974628 in words is "eight hundred sixty-four billion, one hundred eighteen million, nine hundred seventy-four thousand, six hundred twenty-eight".