872155936 has 96 divisors (see below), whose sum is σ = 1886068800. Its totient is φ = 395550720.

The previous prime is 872155931. The next prime is 872156011. The reversal of 872155936 is 639551278.

It is not an unprimeable number, because it can be changed into a prime (872155931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470456 + ... + 1471048.

It is an arithmetic number, because the mean of its divisors is an integer number (19646550).

Almost surely, 2^872155936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872155936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943034400).

872155936 is an abundant number, since it is smaller than the sum of its proper divisors (1013912864).

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

872155936 is a wasteful number, since it uses less digits than its factorization.

872155936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 714 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 872155936 is about 29532.2863320807. The cubic root of 872155936 is about 955.4281811190.

The spelling of 872155936 in words is "eight hundred seventy-two million, one hundred fifty-five thousand, nine hundred thirty-six".