872658884 has 12 divisors (see below), whose sum is σ = 1544312700. Its totient is φ = 431426688.

The previous prime is 872658877. The next prime is 872658967. The reversal of 872658884 is 488856278.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 558376900 + 314281984 = 23630^2 + 17728^2 .

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, 1225289 + ... + 1226000.

It is an arithmetic number, because the mean of its divisors is an integer number (128692725).

Almost surely, 2^872658884 is an apocalyptic number.

It is an amenable number.

872658884 is a deficient number, since it is larger than the sum of its proper divisors (671653816).

872658884 is a wasteful number, since it uses less digits than its factorization.

872658884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451382 (or 2451380 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 56.

The square root of 872658884 is about 29540.8003276824. The cubic root of 872658884 is about 955.6118020874.

The spelling of 872658884 in words is "eight hundred seventy-two million, six hundred fifty-eight thousand, eight hundred eighty-four".