568688878673 has 2 divisors, whose sum is σ = 568688878674. Its totient is φ = 568688878672.

The previous prime is 568688878651. The next prime is 568688878687. The reversal of 568688878673 is 376878886865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561162795664 + 7526083009 = 749108^2 + 86753^2 .

It is a cyclic number.

It is not a de Polignac number, because 568688878673 - 2²⁰ = 568687830097 is a prime.

It is a super-2 number, since 2×568688878673² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (568688878973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284344439336 + 284344439337.

It is an arithmetic number, because the mean of its divisors is an integer number (284344439337).

Almost surely, 2^568688878673 is an apocalyptic number.

It is an amenable number.

568688878673 is a deficient number, since it is larger than the sum of its proper divisors (1).

568688878673 is an equidigital number, since it uses as much as digits as its factorization.

568688878673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5202247680, while the sum is 80.

The spelling of 568688878673 in words is "five hundred sixty-eight billion, six hundred eighty-eight million, eight hundred seventy-eight thousand, six hundred seventy-three".