879547136 has 72 divisors (see below), whose sum is σ = 1906512384. Its totient is φ = 402554880.

The previous prime is 879547133. The next prime is 879547153. The reversal of 879547136 is 631745978.

It is not an unprimeable number, because it can be changed into a prime (879547133) 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, 421616 + ... + 423696.

Almost surely, 2^879547136 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 879547136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953256192).

879547136 is an abundant number, since it is smaller than the sum of its proper divisors (1026965248).

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

879547136 is a wasteful number, since it uses less digits than its factorization.

879547136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2223 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 879547136 is about 29657.1599449442. The cubic root of 879547136 is about 958.1195597546.

The spelling of 879547136 in words is "eight hundred seventy-nine million, five hundred forty-seven thousand, one hundred thirty-six".