878134902 has 16 divisors (see below), whose sum is σ = 1756961280. Its totient is φ = 292596392.

The previous prime is 878134879. The next prime is 878134903. The reversal of 878134902 is 209431878.

It is a super-2 number, since 2×878134902² = 1542241812221099208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878134903) 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, 11502 + ... + 43457.

It is an arithmetic number, because the mean of its divisors is an integer number (109810080).

Almost surely, 2^878134902 is an apocalyptic number.

878134902 is an abundant number, since it is smaller than the sum of its proper divisors (878826378).

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

878134902 is a wasteful number, since it uses less digits than its factorization.

878134902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57627.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 878134902 is about 29633.3410536173. The cubic root of 878134902 is about 957.6064874397.

The spelling of 878134902 in words is "eight hundred seventy-eight million, one hundred thirty-four thousand, nine hundred two".