568139797 has 8 divisors (see below), whose sum is σ = 576074240. Its totient is φ = 560224080.

The previous prime is 568139791. The next prime is 568139827. The reversal of 568139797 is 797931865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 568139797 - 2⁷ = 568139669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568139791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63172 + ... + 71602.

It is an arithmetic number, because the mean of its divisors is an integer number (72009280).

Almost surely, 2^568139797 is an apocalyptic number.

It is an amenable number.

568139797 is a deficient number, since it is larger than the sum of its proper divisors (7934443).

568139797 is an equidigital number, since it uses as much as digits as its factorization.

568139797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363.

The product of its digits is 2857680, while the sum is 55.

The square root of 568139797 is about 23835.6832710959. The cubic root of 568139797 is about 828.2314872571.

The spelling of 568139797 in words is "five hundred sixty-eight million, one hundred thirty-nine thousand, seven hundred ninety-seven".