872444931 has 16 divisors (see below), whose sum is σ = 1198222080. Its totient is φ = 564328800.

The previous prime is 872444929. The next prime is 872444957. The reversal of 872444931 is 139444278.

It is not a de Polignac number, because 872444931 - 2¹ = 872444929 is a prime.

It is a super-2 number, since 2×872444931² = 1522320315255189522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872444231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 41873.

It is an arithmetic number, because the mean of its divisors is an integer number (74888880).

Almost surely, 2^872444931 is an apocalyptic number.

872444931 is a deficient number, since it is larger than the sum of its proper divisors (325777149).

872444931 is a wasteful number, since it uses less digits than its factorization.

872444931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44986.

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

The square root of 872444931 is about 29537.1787921596. The cubic root of 872444931 is about 955.5336987464.

The spelling of 872444931 in words is "eight hundred seventy-two million, four hundred forty-four thousand, nine hundred thirty-one".