8625447872 has 14 divisors (see below), whose sum is σ = 17116123248. Its totient is φ = 4312723904.

The previous prime is 8625447869. The next prime is 8625447911. The reversal of 8625447872 is 2787445268.

It is a congruent 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 as a sum of consecutive naturals, namely, 67386248 + ... + 67386375.

It is an arithmetic number, because the mean of its divisors is an integer number (1222580232).

Almost surely, 2^8625447872 is an apocalyptic number.

It is an amenable number.

8625447872 is a deficient number, since it is larger than the sum of its proper divisors (8490675376).

8625447872 is a wasteful number, since it uses less digits than its factorization.

8625447872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134772635 (or 134772625 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 53.

The square root of 8625447872 is about 92873.2893355242. The cubic root of 8625447872 is about 2050.8184613679.

The spelling of 8625447872 in words is "eight billion, six hundred twenty-five million, four hundred forty-seven thousand, eight hundred seventy-two".