872313975 has 48 divisors (see below), whose sum is σ = 1725757600. Its totient is φ = 429442560.

The previous prime is 872313917. The next prime is 872313977. The reversal of 872313975 is 579313278.

It is a happy number.

It is not a de Polignac number, because 872313975 - 2²⁵ = 838759543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 872313975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872313977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40930 + ... + 58479.

Almost surely, 2^872313975 is an apocalyptic number.

872313975 is a deficient number, since it is larger than the sum of its proper divisors (853443625).

872313975 is a wasteful number, since it uses less digits than its factorization.

872313975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99441 (or 99430 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 872313975 is about 29534.9619095742. The cubic root of 872313975 is about 955.4858870821.

The spelling of 872313975 in words is "eight hundred seventy-two million, three hundred thirteen thousand, nine hundred seventy-five".