8656794976568 has 16 divisors (see below), whose sum is σ = 16233529064280. Its totient is φ = 4327853892768.

The previous prime is 8656794976561. The next prime is 8656794976573.

8656794976568 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8656794976568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8656794976561) 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, 67881755 + ... + 68009162.

Almost surely, 2^{8656794976568} is an apocalyptic number.

It is an amenable number.

8656794976568 is a deficient number, since it is larger than the sum of its proper divisors (7576734087712).

8656794976568 is a wasteful number, since it uses less digits than its factorization.

8656794976568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135898886 (or 135898882 counting only the distinct ones).

The product of its digits is 32920473600, while the sum is 86.

The spelling of 8656794976568 in words is "eight trillion, six hundred fifty-six billion, seven hundred ninety-four million, nine hundred seventy-six thousand, five hundred sixty-eight".