568688886869 has 2 divisors, whose sum is σ = 568688886870. Its totient is φ = 568688886868.

The previous prime is 568688886859. The next prime is 568688886881. The reversal of 568688886869 is 968688886865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515038746244 + 53650140625 = 717662^2 + 231625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-568688886869 is a prime.

It is a super-2 number, since 2×568688886869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (568688886839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284344443434 + 284344443435.

It is an arithmetic number, because the mean of its divisors is an integer number (284344443435).

Almost surely, 2^568688886869 is an apocalyptic number.

It is an amenable number.

568688886869 is a deficient number, since it is larger than the sum of its proper divisors (1).

568688886869 is an equidigital number, since it uses as much as digits as its factorization.

568688886869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15288238080, while the sum is 86.

The spelling of 568688886869 in words is "five hundred sixty-eight billion, six hundred eighty-eight million, eight hundred eighty-six thousand, eight hundred sixty-nine".