872672872 has 32 divisors (see below), whose sum is σ = 1694925000. Its totient is φ = 420732928.

The previous prime is 872672851. The next prime is 872672891. The reversal of 872672872 is 278276278.

It can be written as a sum of positive squares in 4 ways, for example, as 390694756 + 481978116 = 19766^2 + 21954^2 .

It is a super-3 number, since 3×872672872³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213504 + ... + 217552.

Almost surely, 2^872672872 is an apocalyptic number.

It is an amenable number.

872672872 is a deficient number, since it is larger than the sum of its proper divisors (822252128).

872672872 is a wasteful number, since it uses less digits than its factorization.

872672872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 5009 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 49.

The square root of 872672872 is about 29541.0370840294. The cubic root of 872672872 is about 955.6169079490.

The spelling of 872672872 in words is "eight hundred seventy-two million, six hundred seventy-two thousand, eight hundred seventy-two".