878163868 has 12 divisors (see below), whose sum is σ = 1538180280. Its totient is φ = 438683792.

The previous prime is 878163859. The next prime is 878163887. The reversal of 878163868 is 868361878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94546 + ... + 103417.

It is an arithmetic number, because the mean of its divisors is an integer number (128181690).

Almost surely, 2^878163868 is an apocalyptic number.

It is an amenable number.

878163868 is a deficient number, since it is larger than the sum of its proper divisors (660016412).

878163868 is a wasteful number, since it uses less digits than its factorization.

878163868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199076 (or 199074 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The square root of 878163868 is about 29633.8297896171. The cubic root of 878163868 is about 957.6170164691.

The spelling of 878163868 in words is "eight hundred seventy-eight million, one hundred sixty-three thousand, eight hundred sixty-eight".