872944004 has 24 divisors (see below), whose sum is σ = 1580544000. Its totient is φ = 421424640.

The previous prime is 872943971. The next prime is 872944043. The reversal of 872944004 is 400449278.

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, 47837 + ... + 63515.

It is an arithmetic number, because the mean of its divisors is an integer number (65856000).

Almost surely, 2^872944004 is an apocalyptic number.

It is an amenable number.

872944004 is a deficient number, since it is larger than the sum of its proper divisors (707599996).

872944004 is a wasteful number, since it uses less digits than its factorization.

872944004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163 (or 16161 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 872944004 is about 29545.6258014617. The cubic root of 872944004 is about 955.7158650356.

The spelling of 872944004 in words is "eight hundred seventy-two million, nine hundred forty-four thousand, four".