872431966 has 24 divisors (see below), whose sum is σ = 1533947976. Its totient is φ = 371039760.

The previous prime is 872431933. The next prime is 872432009. The reversal of 872431966 is 669134278.

It is a super-2 number, since 2×872431966² = 1522275070597250312, 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 11 ways as a sum of consecutive naturals, for example, 21141 + ... + 46816.

It is an arithmetic number, because the mean of its divisors is an integer number (63914499).

Almost surely, 2^872431966 is an apocalyptic number.

872431966 is a deficient number, since it is larger than the sum of its proper divisors (661516010).

872431966 is a wasteful number, since it uses less digits than its factorization.

872431966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68104 (or 68097 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 872431966 is about 29536.9593221780. The cubic root of 872431966 is about 955.5289654751.

The spelling of 872431966 in words is "eight hundred seventy-two million, four hundred thirty-one thousand, nine hundred sixty-six".