872872872 has 32 divisors (see below), whose sum is σ = 2202208800. Its totient is φ = 288287424.

The previous prime is 872872849. The next prime is 872872877. The reversal of 872872872 is 278278278.

872872872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

872872872 is a modest number, since divided by 872872 gives 872 as remainder.

It is not an unprimeable number, because it can be changed into a prime (872872877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164218 + ... + 169449.

It is an arithmetic number, because the mean of its divisors is an integer number (68819025).

Almost surely, 2^872872872 is an apocalyptic number.

It is an amenable number.

872872872 is an abundant number, since it is smaller than the sum of its proper divisors (1329335928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872872872 is a wasteful number, since it uses less digits than its factorization.

872872872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333785 (or 333781 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 51.

The square root of 872872872 is about 29544.4220116082. The cubic root of 872872872 is about 955.6899054372.

The spelling of 872872872 in words is "eight hundred seventy-two million, eight hundred seventy-two thousand, eight hundred seventy-two".