872636280 has 32 divisors (see below), whose sum is σ = 2617909200. Its totient is φ = 232702976.

The previous prime is 872636273. The next prime is 872636327. The reversal of 872636280 is 82636278.

872636280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×872636280² = 1522988154344476800, which contains 22 as substring.

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, 3635865 + ... + 3636104.

Almost surely, 2^872636280 is an apocalyptic number.

It is an amenable number.

872636280 is an abundant number, since it is smaller than the sum of its proper divisors (1745272920).

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

872636280 is a wasteful number, since it uses less digits than its factorization.

872636280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271983 (or 7271979 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 872636280 is about 29540.4177357058. The cubic root of 872636280 is about 955.6035511217.

The spelling of 872636280 in words is "eight hundred seventy-two million, six hundred thirty-six thousand, two hundred eighty".