864870600 has 96 divisors (see below), whose sum is σ = 2924857440. Its totient is φ = 209664000.

The previous prime is 864870599. The next prime is 864870623. The reversal of 864870600 is 6078468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58921 + ... + 72120.

It is an arithmetic number, because the mean of its divisors is an integer number (30467265).

Almost surely, 2^864870600 is an apocalyptic number.

It is an amenable number.

864870600 is an abundant number, since it is smaller than the sum of its proper divisors (2059986840).

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

864870600 is a wasteful number, since it uses less digits than its factorization.

864870600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131071 (or 131062 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 864870600 is about 29408.6823914299. The cubic root of 864870600 is about 952.7604291978.

The spelling of 864870600 in words is "eight hundred sixty-four million, eight hundred seventy thousand, six hundred".