878064522 has 16 divisors (see below), whose sum is σ = 1812778752. Its totient is φ = 283246560.

The previous prime is 878064511. The next prime is 878064527. The reversal of 878064522 is 225460878.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (878064527) 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, 2360203 + ... + 2360574.

It is an arithmetic number, because the mean of its divisors is an integer number (113298672).

Almost surely, 2^878064522 is an apocalyptic number.

878064522 is an abundant number, since it is smaller than the sum of its proper divisors (934714230).

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

878064522 is a wasteful number, since it uses less digits than its factorization.

878064522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720813.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 878064522 is about 29632.1535160710. The cubic root of 878064522 is about 957.5809036162.

The spelling of 878064522 in words is "eight hundred seventy-eight million, sixty-four thousand, five hundred twenty-two".