8531316372 has 24 divisors (see below), whose sum is σ = 19910402176. Its totient is φ = 2843201088.

The previous prime is 8531316371. The next prime is 8531316389. The reversal of 8531316372 is 2736131358.

It is a self number, because there is not a number n which added to its sum of digits gives 8531316372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8531316371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6793 + ... + 130800.

Almost surely, 2^8531316372 is an apocalyptic number.

It is an amenable number.

8531316372 is an abundant number, since it is smaller than the sum of its proper divisors (11379085804).

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

8531316372 is a wasteful number, since it uses less digits than its factorization.

8531316372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142767 (or 142765 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 8531316372 is about 92365.1253017068. The cubic root of 8531316372 is about 2043.3308053114.

The spelling of 8531316372 in words is "eight billion, five hundred thirty-one million, three hundred sixteen thousand, three hundred seventy-two".