878572012 has 12 divisors (see below), whose sum is σ = 1538041680. Its totient is φ = 439131536.

The previous prime is 878572003. The next prime is 878572021. The reversal of 878572012 is 210275878.

It is an interprime number because it is at equal distance from previous prime (878572003) and next prime (878572021).

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, 25312 + ... + 48967.

It is an arithmetic number, because the mean of its divisors is an integer number (128170140).

Almost surely, 2^878572012 is an apocalyptic number.

It is an amenable number.

878572012 is a deficient number, since it is larger than the sum of its proper divisors (659469668).

878572012 is a wasteful number, since it uses less digits than its factorization.

878572012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77240 (or 77238 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 878572012 is about 29640.7154434572. The cubic root of 878572012 is about 957.7653506310.

The spelling of 878572012 in words is "eight hundred seventy-eight million, five hundred seventy-two thousand, twelve".