872919164 has 24 divisors (see below), whose sum is σ = 1661415168. Its totient is φ = 398894400.

The previous prime is 872919143. The next prime is 872919191. The reversal of 872919164 is 461919278.

It is a congruent number.

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, 77852 + ... + 88355.

It is an arithmetic number, because the mean of its divisors is an integer number (69225632).

Almost surely, 2^872919164 is an apocalyptic number.

It is an amenable number.

872919164 is a deficient number, since it is larger than the sum of its proper divisors (788496004).

872919164 is a wasteful number, since it uses less digits than its factorization.

872919164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166325 (or 166323 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 872919164 is about 29545.2054316771. The cubic root of 872919164 is about 955.7067998466.

The spelling of 872919164 in words is "eight hundred seventy-two million, nine hundred nineteen thousand, one hundred sixty-four".