872584684 has 12 divisors (see below), whose sum is σ = 1549815064. Its totient is φ = 429780384.

The previous prime is 872584667. The next prime is 872584703. The reversal of 872584684 is 486485278.

It is a happy number.

It is a super-2 number, since 2×872584684² = 1522808061502759712, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1627689 + ... + 1628224.

Almost surely, 2^872584684 is an apocalyptic number.

It is an amenable number.

872584684 is a deficient number, since it is larger than the sum of its proper divisors (677230380).

872584684 is a wasteful number, since it uses less digits than its factorization.

872584684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255984 (or 3255982 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 52.

The square root of 872584684 is about 29539.5444108402. The cubic root of 872584684 is about 955.5847168934.

The spelling of 872584684 in words is "eight hundred seventy-two million, five hundred eighty-four thousand, six hundred eighty-four".