8971716568 has 16 divisors (see below), whose sum is σ = 16860294000. Its totient is φ = 4475638176.

The previous prime is 8971716517. The next prime is 8971716569. The reversal of 8971716568 is 8656171798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971716569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273783 + ... + 1280806.

It is an arithmetic number, because the mean of its divisors is an integer number (1053768375).

Almost surely, 2^8971716568 is an apocalyptic number.

It is an amenable number.

8971716568 is a deficient number, since it is larger than the sum of its proper divisors (7888577432).

8971716568 is a wasteful number, since it uses less digits than its factorization.

8971716568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555034 (or 2555030 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 58.

The square root of 8971716568 is about 94719.1457309450. The cubic root of 8971716568 is about 2077.9025769170.

The spelling of 8971716568 in words is "eight billion, nine hundred seventy-one million, seven hundred sixteen thousand, five hundred sixty-eight".