9616876731 has 48 divisors (see below), whose sum is σ = 17915938560. Its totient is φ = 4823501760.

The previous prime is 9616876721. The next prime is 9616876747. The reversal of 9616876731 is 1376786169.

It is a happy number.

It is not a de Polignac number, because 9616876731 - 2¹³ = 9616868539 is a prime.

It is a super-2 number, since 2×9616876731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9616876721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219165 + ... + 259358.

It is an arithmetic number, because the mean of its divisors is an integer number (373248720).

Almost surely, 2^9616876731 is an apocalyptic number.

9616876731 is a deficient number, since it is larger than the sum of its proper divisors (8299061829).

9616876731 is a wasteful number, since it uses less digits than its factorization.

9616876731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478576 (or 478573 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 9616876731 is about 98065.6756005892. The cubic root of 9616876731 is about 2126.5618400089.

The spelling of 9616876731 in words is "nine billion, six hundred sixteen million, eight hundred seventy-six thousand, seven hundred thirty-one".