872907131 has 2 divisors, whose sum is σ = 872907132. Its totient is φ = 872907130.

The previous prime is 872907127. The next prime is 872907137. The reversal of 872907131 is 131709278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872907131 - 2² = 872907127 is a prime.

It is a super-2 number, since 2×872907131² = 1523933718701302322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872907137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436453565 + 436453566.

It is an arithmetic number, because the mean of its divisors is an integer number (436453566).

Almost surely, 2^872907131 is an apocalyptic number.

872907131 is a deficient number, since it is larger than the sum of its proper divisors (1).

872907131 is an equidigital number, since it uses as much as digits as its factorization.

872907131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 872907131 is about 29545.0017938737. The cubic root of 872907131 is about 955.7024084232.

The spelling of 872907131 in words is "eight hundred seventy-two million, nine hundred seven thousand, one hundred thirty-one".