8531979250 has 32 divisors (see below), whose sum is σ = 16126980480. Its totient is φ = 3379647600.

The previous prime is 8531979229. The next prime is 8531979257. The reversal of 8531979250 is 529791358.

It is a junction number, because it is equal to n+sod(n) for n = 8531979194 and 8531979203.

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 15 ways as a sum of consecutive naturals, for example, 139920 + ... + 191419.

It is an arithmetic number, because the mean of its divisors is an integer number (503968140).

Almost surely, 2^8531979250 is an apocalyptic number.

8531979250 is a deficient number, since it is larger than the sum of its proper divisors (7595001230).

8531979250 is a wasteful number, since it uses less digits than its factorization.

8531979250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331459 (or 331449 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 8531979250 is about 92368.7135885306. The cubic root of 8531979250 is about 2043.3837257869.

The spelling of 8531979250 in words is "eight billion, five hundred thirty-one million, nine hundred seventy-nine thousand, two hundred fifty".