878902494 has 32 divisors (see below), whose sum is σ = 1867639680. Its totient is φ = 274950432.

The previous prime is 878902489. The next prime is 878902523. The reversal of 878902494 is 494209878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23829 + ... + 48224.

It is an arithmetic number, because the mean of its divisors is an integer number (58363740).

Almost surely, 2^878902494 is an apocalyptic number.

878902494 is an abundant number, since it is smaller than the sum of its proper divisors (988737186).

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

878902494 is a wasteful number, since it uses less digits than its factorization.

878902494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72184.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 878902494 is about 29646.2897172648. The cubic root of 878902494 is about 957.8854259824.

The spelling of 878902494 in words is "eight hundred seventy-eight million, nine hundred two thousand, four hundred ninety-four".