878712992 has 48 divisors (see below), whose sum is σ = 1797503400. Its totient is φ = 422338560.

The previous prime is 878712911. The next prime is 878713001. The reversal of 878712992 is 299217878.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 713744656 + 164968336 = 26716^2 + 12844^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221684 + ... + 225612.

Almost surely, 2^878712992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878712992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898751700).

878712992 is an abundant number, since it is smaller than the sum of its proper divisors (918790408).

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

878712992 is a wasteful number, since it uses less digits than its factorization.

878712992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209 (or 4201 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 53.

The square root of 878712992 is about 29643.0934957875. The cubic root of 878712992 is about 957.8165771424.

The spelling of 878712992 in words is "eight hundred seventy-eight million, seven hundred twelve thousand, nine hundred ninety-two".