568464865 has 16 divisors (see below), whose sum is σ = 690426576. Its totient is φ = 449280000.

The previous prime is 568464863. The next prime is 568464881.

568464865 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 5494336 + 562970529 = 2344^2 + 23727^2 .

It is not a de Polignac number, because 568464865 - 2¹ = 568464863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568464863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302569 + ... + 304441.

It is an arithmetic number, because the mean of its divisors is an integer number (43151661).

Almost surely, 2^568464865 is an apocalyptic number.

It is an amenable number.

568464865 is a deficient number, since it is larger than the sum of its proper divisors (121961711).

568464865 is a wasteful number, since it uses less digits than its factorization.

568464865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580.

The product of its digits is 5529600, while the sum is 52.

The square root of 568464865 is about 23842.5012320436. The cubic root of 568464865 is about 828.3894180005.

The spelling of 568464865 in words is "five hundred sixty-eight million, four hundred sixty-four thousand, eight hundred sixty-five".