872556692 has 24 divisors (see below), whose sum is σ = 1782246144. Its totient is φ = 365995872.

The previous prime is 872556691. The next prime is 872556709. The reversal of 872556692 is 296655278.

It is a super-2 number, since 2×872556692² = 1522710361507965728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 872556692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872556691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330203 + ... + 332834.

It is an arithmetic number, because the mean of its divisors is an integer number (74260256).

Almost surely, 2^872556692 is an apocalyptic number.

It is an amenable number.

872556692 is an abundant number, since it is smaller than the sum of its proper divisors (909689452).

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

872556692 is a wasteful number, since it uses less digits than its factorization.

872556692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663095 (or 663093 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 872556692 is about 29539.0706014932. The cubic root of 872556692 is about 955.5744985869.

The spelling of 872556692 in words is "eight hundred seventy-two million, five hundred fifty-six thousand, six hundred ninety-two".