9979671315 has 16 divisors (see below), whose sum is σ = 15977115648. Its totient is φ = 5319277536.

The previous prime is 9979671293. The next prime is 9979671349. The reversal of 9979671315 is 5131769799.

9979671315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9979671315 - 2⁸ = 9979671059 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 175089 + ... + 224978.

It is an arithmetic number, because the mean of its divisors is an integer number (998569728).

Almost surely, 2^9979671315 is an apocalyptic number.

9979671315 is a deficient number, since it is larger than the sum of its proper divisors (5997444333).

9979671315 is a wasteful number, since it uses less digits than its factorization.

9979671315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401738.

The product of its digits is 3214890, while the sum is 57.

The square root of 9979671315 is about 99898.3048654981. The cubic root of 9979671315 is about 2152.9738055166.

The spelling of 9979671315 in words is "nine billion, nine hundred seventy-nine million, six hundred seventy-one thousand, three hundred fifteen".