568864899 has 24 divisors (see below), whose sum is σ = 873016560. Its totient is φ = 356263488.

The previous prime is 568864889. The next prime is 568864903. The reversal of 568864899 is 998468865.

568864899 is a `hidden beast` number, since 568 + 8 + 64 + 8 + 9 + 9 = 666.

It is not a de Polignac number, because 568864899 - 2¹³ = 568856707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (568864889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19797 + ... + 39110.

It is an arithmetic number, because the mean of its divisors is an integer number (36375690).

Almost surely, 2^568864899 is an apocalyptic number.

568864899 is a deficient number, since it is larger than the sum of its proper divisors (304151661).

568864899 is a wasteful number, since it uses less digits than its factorization.

568864899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58979 (or 58976 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The square root of 568864899 is about 23850.8888513615. Note that the first 4 decimals coincide. The cubic root of 568864899 is about 828.5836875444.

The spelling of 568864899 in words is "five hundred sixty-eight million, eight hundred sixty-four thousand, eight hundred ninety-nine".