8725577868 has 36 divisors (see below), whose sum is σ = 25207225680. Its totient is φ = 2493022176.

The previous prime is 8725577851. The next prime is 8725577891. The reversal of 8725577868 is 8687755278.

8725577868 is a `hidden beast` number, since 8 + 7 + 2 + 557 + 78 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8725577868² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17312403 + ... + 17312906.

Almost surely, 2^8725577868 is an apocalyptic number.

It is an amenable number.

8725577868 is an abundant number, since it is smaller than the sum of its proper divisors (16481647812).

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

8725577868 is a wasteful number, since it uses less digits than its factorization.

8725577868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34625326 (or 34625321 counting only the distinct ones).

The product of its digits is 52684800, while the sum is 63.

The square root of 8725577868 is about 93410.8016666167. The cubic root of 8725577868 is about 2058.7237096940.

The spelling of 8725577868 in words is "eight billion, seven hundred twenty-five million, five hundred seventy-seven thousand, eight hundred sixty-eight".