7972839315 has 160 divisors (see below), whose sum is σ = 17079422976. Its totient is φ = 3481470720.

The previous prime is 7972839293. The next prime is 7972839317. The reversal of 7972839315 is 5139382797.

It is not a de Polignac number, because 7972839315 - 2¹³ = 7972831123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7972839317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7293909 + ... + 7295001.

Almost surely, 2^7972839315 is an apocalyptic number.

7972839315 is an abundant number, since it is smaller than the sum of its proper divisors (9106583661).

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

7972839315 is a wasteful number, since it uses less digits than its factorization.

7972839315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1222 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 7972839315 is about 89290.7571644456. The cubic root of 7972839315 is about 1997.7340432729.

The spelling of 7972839315 in words is "seven billion, nine hundred seventy-two million, eight hundred thirty-nine thousand, three hundred fifteen".