872015800 has 24 divisors (see below), whose sum is σ = 2027437200. Its totient is φ = 348806240.

The previous prime is 872015777. The next prime is 872015821. The reversal of 872015800 is 8510278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2179840 + ... + 2180239.

It is an arithmetic number, because the mean of its divisors is an integer number (84476550).

Almost surely, 2^872015800 is an apocalyptic number.

It is an amenable number.

872015800 is an abundant number, since it is smaller than the sum of its proper divisors (1155421400).

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

872015800 is a wasteful number, since it uses less digits than its factorization.

872015800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360095 (or 4360086 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 872015800 is about 29529.9136470122. The cubic root of 872015800 is about 955.3770063807.

The spelling of 872015800 in words is "eight hundred seventy-two million, fifteen thousand, eight hundred".