878522 has 16 divisors (see below), whose sum is σ = 1413600. Its totient is φ = 408240.

The previous prime is 878513. The next prime is 878539. The reversal of 878522 is 225878.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (88350).

2⁸⁷⁸⁵²² is an apocalyptic number.

878522 is a deficient number, since it is larger than the sum of its proper divisors (535078).

878522 is a wasteful number, since it uses less digits than its factorization.

878522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 8960, while the sum is 32.

The square root of 878522 is about 937.2950442630. The cubic root of 878522 is about 95.7747176947.

The spelling of 878522 in words is "eight hundred seventy-eight thousand, five hundred twenty-two".