872169504 has 24 divisors (see below), whose sum is σ = 2289445200. Its totient is φ = 290723136.

The previous prime is 872169503. The next prime is 872169517. The reversal of 872169504 is 405961278.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (872169503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4542454 + ... + 4542645.

It is an arithmetic number, because the mean of its divisors is an integer number (95393550).

Almost surely, 2^872169504 is an apocalyptic number.

It is an amenable number.

872169504 is an abundant number, since it is smaller than the sum of its proper divisors (1417275696).

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

872169504 is a wasteful number, since it uses less digits than its factorization.

872169504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085112 (or 9085104 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 872169504 is about 29532.5160458773. The cubic root of 872169504 is about 955.4331355779.

The spelling of 872169504 in words is "eight hundred seventy-two million, one hundred sixty-nine thousand, five hundred four".