872865568278 has 24 divisors (see below), whose sum is σ = 2063136798216. Its totient is φ = 264504717600.

The previous prime is 872865568247. The next prime is 872865568283.

872865568278 is nontrivially palindromic in base 10.

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, 2204205783 + ... + 2204206178.

It is an arithmetic number, because the mean of its divisors is an integer number (85964033259).

Almost surely, 2^872865568278 is an apocalyptic number.

872865568278 is an abundant number, since it is smaller than the sum of its proper divisors (1190271229938).

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

872865568278 is a wasteful number, since it uses less digits than its factorization.

872865568278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408411980 (or 4408411977 counting only the distinct ones).

The product of its digits is 722534400, while the sum is 72.

The spelling of 872865568278 in words is "eight hundred seventy-two billion, eight hundred sixty-five million, five hundred sixty-eight thousand, two hundred seventy-eight".