8628125868 has 18 divisors (see below), whose sum is σ = 21809984924. Its totient is φ = 2876041944.

The previous prime is 8628125851. The next prime is 8628125881. The reversal of 8628125868 is 8685218268.

It is a happy number.

8628125868 is a `hidden beast` number, since 8 + 628 + 1 + 2 + 5 + 8 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119835046 + ... + 119835117.

Almost surely, 2^8628125868 is an apocalyptic number.

It is an amenable number.

8628125868 is an abundant number, since it is smaller than the sum of its proper divisors (13181859056).

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

8628125868 is a wasteful number, since it uses less digits than its factorization.

8628125868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239670173 (or 239670168 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 8628125868 is about 92887.7056881049. The cubic root of 8628125868 is about 2051.0306828250.

The spelling of 8628125868 in words is "eight billion, six hundred twenty-eight million, one hundred twenty-five thousand, eight hundred sixty-eight".