878268964 has 12 divisors (see below), whose sum is σ = 1559911024. Its totient is φ = 432580104.

The previous prime is 878268959. The next prime is 878268971. The reversal of 878268964 is 469862878.

It is a junction number, because it is equal to n+sod(n) for n = 878268899 and 878268908.

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, 1638294 + ... + 1638829.

Almost surely, 2^878268964 is an apocalyptic number.

It is an amenable number.

878268964 is a deficient number, since it is larger than the sum of its proper divisors (681642060).

878268964 is a wasteful number, since it uses less digits than its factorization.

878268964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277194 (or 3277192 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 58.

The square root of 878268964 is about 29635.6029801993. The cubic root of 878268964 is about 957.6552165162.

The spelling of 878268964 in words is "eight hundred seventy-eight million, two hundred sixty-eight thousand, nine hundred sixty-four".