8631187372 has 6 divisors (see below), whose sum is σ = 15104577908. Its totient is φ = 4315593684.

The previous prime is 8631187309. The next prime is 8631187373. The reversal of 8631187372 is 2737811368.

8631187372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8631187373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078898418 + ... + 1078898425.

Almost surely, 2^8631187372 is an apocalyptic number.

It is an amenable number.

8631187372 is a deficient number, since it is larger than the sum of its proper divisors (6473390536).

8631187372 is a wasteful number, since it uses less digits than its factorization.

8631187372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157796847 (or 2157796845 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 8631187372 is about 92904.1838239807. The cubic root of 8631187372 is about 2051.2732421092.

The spelling of 8631187372 in words is "eight billion, six hundred thirty-one million, one hundred eighty-seven thousand, three hundred seventy-two".