9678752931 has 32 divisors (see below), whose sum is σ = 13728153600. Its totient is φ = 6048393120.

The previous prime is 9678752917. The next prime is 9678752939. The reversal of 9678752931 is 1392578769.

It is not a de Polignac number, because 9678752931 - 2⁵ = 9678752899 is a prime.

It is a super-2 number, since 2×9678752931² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (9678752939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3031546 + ... + 3034736.

It is an arithmetic number, because the mean of its divisors is an integer number (429004800).

Almost surely, 2^9678752931 is an apocalyptic number.

9678752931 is a deficient number, since it is larger than the sum of its proper divisors (4049400669).

9678752931 is a wasteful number, since it uses less digits than its factorization.

9678752931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759.

The product of its digits is 5715360, while the sum is 57.

The square root of 9678752931 is about 98380.6532352779. The cubic root of 9678752931 is about 2131.1129489749.

The spelling of 9678752931 in words is "nine billion, six hundred seventy-eight million, seven hundred fifty-two thousand, nine hundred thirty-one".