877660868 has 24 divisors (see below), whose sum is σ = 1802764992. Its totient is φ = 365973984.

The previous prime is 877660829. The next prime is 877660879. The reversal of 877660868 is 868066778.

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, 422546 + ... + 424617.

It is an arithmetic number, because the mean of its divisors is an integer number (75115208).

Almost surely, 2^877660868 is an apocalyptic number.

It is an amenable number.

877660868 is an abundant number, since it is smaller than the sum of its proper divisors (925104124).

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

877660868 is a wasteful number, since it uses less digits than its factorization.

877660868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847211 (or 847209 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The square root of 877660868 is about 29625.3416520384. The cubic root of 877660868 is about 957.4341449980.

The spelling of 877660868 in words is "eight hundred seventy-seven million, six hundred sixty thousand, eight hundred sixty-eight".