8669012868 has 72 divisors (see below), whose sum is σ = 22052634240. Its totient is φ = 2871357120.

The previous prime is 8669012809. The next prime is 8669012909. The reversal of 8669012868 is 8682109668.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8343093 + ... + 8344131.

Almost surely, 2^8669012868 is an apocalyptic number.

It is an amenable number.

8669012868 is an abundant number, since it is smaller than the sum of its proper divisors (13383621372).

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

8669012868 is a wasteful number, since it uses less digits than its factorization.

8669012868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2292 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 8669012868 is about 93107.5338949540. The cubic root of 8669012868 is about 2054.2653896547.

The spelling of 8669012868 in words is "eight billion, six hundred sixty-nine million, twelve thousand, eight hundred sixty-eight".