8531979252 has 24 divisors (see below), whose sum is σ = 19910061696. Its totient is φ = 2843691648.

The previous prime is 8531979229. The next prime is 8531979257. The reversal of 8531979252 is 2529791358.

It is a junction number, because it is equal to n+sod(n) for n = 8531979195 and 8531979204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8531979257) 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, 100533 + ... + 164835.

It is an arithmetic number, because the mean of its divisors is an integer number (829585904).

Almost surely, 2^8531979252 is an apocalyptic number.

It is an amenable number.

8531979252 is an abundant number, since it is smaller than the sum of its proper divisors (11378082444).

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

8531979252 is a wasteful number, since it uses less digits than its factorization.

8531979252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75367 (or 75365 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 8531979252 is about 92368.7135993568. The cubic root of 8531979252 is about 2043.3837259466.

The spelling of 8531979252 in words is "eight billion, five hundred thirty-one million, nine hundred seventy-nine thousand, two hundred fifty-two".