872445951 has 32 divisors (see below), whose sum is σ = 1408753920. Its totient is φ = 530403552.

The previous prime is 872445943. The next prime is 872445961. The reversal of 872445951 is 159544278.

It is not a de Polignac number, because 872445951 - 2³ = 872445943 is a prime.

It is a super-2 number, since 2×872445951² = 1522323874832588802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872445897 and 872445906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872445961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14160 + ... + 44106.

It is an arithmetic number, because the mean of its divisors is an integer number (44023560).

Almost surely, 2^872445951 is an apocalyptic number.

872445951 is a deficient number, since it is larger than the sum of its proper divisors (536307969).

872445951 is a wasteful number, since it uses less digits than its factorization.

872445951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30052 (or 30046 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 872445951 is about 29537.1960585293. The cubic root of 872445951 is about 955.5340711267.

The spelling of 872445951 in words is "eight hundred seventy-two million, four hundred forty-five thousand, nine hundred fifty-one".