568263891 has 16 divisors (see below), whose sum is σ = 818408864. Its totient is φ = 348655104.

The previous prime is 568263863. The next prime is 568263893. The reversal of 568263891 is 198362865.

It is a happy number.

568263891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 568263891 - 2⁵ = 568263859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 568263891.

It is not an unprimeable number, because it can be changed into a prime (568263893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8476 + ... + 34761.

It is an arithmetic number, because the mean of its divisors is an integer number (51150554).

Almost surely, 2^568263891 is an apocalyptic number.

568263891 is a deficient number, since it is larger than the sum of its proper divisors (250144973).

568263891 is a wasteful number, since it uses less digits than its factorization.

568263891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43590.

The product of its digits is 622080, while the sum is 48.

The square root of 568263891 is about 23838.2862429328. The cubic root of 568263891 is about 828.2917840812.

The spelling of 568263891 in words is "five hundred sixty-eight million, two hundred sixty-three thousand, eight hundred ninety-one".