568704997 has 4 divisors (see below), whose sum is σ = 649948576. Its totient is φ = 487461420.

The previous prime is 568704949. The next prime is 568705009. The reversal of 568704997 is 799407865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799407865 = 5 ⋅159881573.

It is a cyclic number.

It is not a de Polignac number, because 568704997 - 2¹⁵ = 568672229 is a prime.

It is a super-2 number, since 2×568704997² = 646850747225540018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568704907) 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 in 3 ways as a sum of consecutive naturals, for example, 40621779 + ... + 40621792.

It is an arithmetic number, because the mean of its divisors is an integer number (162487144).

Almost surely, 2^568704997 is an apocalyptic number.

It is an amenable number.

568704997 is a deficient number, since it is larger than the sum of its proper divisors (81243579).

568704997 is an equidigital number, since it uses as much as digits as its factorization.

568704997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81243578.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 568704997 is about 23847.5364975085. The cubic root of 568704997 is about 828.5060448534.

The spelling of 568704997 in words is "five hundred sixty-eight million, seven hundred four thousand, nine hundred ninety-seven".