9791920568 has 32 divisors (see below), whose sum is σ = 18690276960. Its totient is φ = 4808100480.

The previous prime is 9791920553. The next prime is 9791920573. The reversal of 9791920568 is 8650291979.

9791920568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 300230 + ... + 331242.

It is an arithmetic number, because the mean of its divisors is an integer number (584071155).

Almost surely, 2^9791920568 is an apocalyptic number.

It is an amenable number.

9791920568 is a deficient number, since it is larger than the sum of its proper divisors (8898356392).

9791920568 is a wasteful number, since it uses less digits than its factorization.

9791920568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31727 (or 31723 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 56.

The square root of 9791920568 is about 98954.1336579731. The cubic root of 9791920568 is about 2139.3867116141.

The spelling of 9791920568 in words is "nine billion, seven hundred ninety-one million, nine hundred twenty thousand, five hundred sixty-eight".