564668898 has 16 divisors (see below), whose sum is σ = 1146194400. Its totient is φ = 185413536.

The previous prime is 564668891. The next prime is 564668953. The reversal of 564668898 is 898866465.

It is not an unprimeable number, because it can be changed into a prime (564668891) 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, 701923 + ... + 702726.

It is an arithmetic number, because the mean of its divisors is an integer number (71637150).

Almost surely, 2^564668898 is an apocalyptic number.

564668898 is an abundant number, since it is smaller than the sum of its proper divisors (581525502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564668898 is a wasteful number, since it uses less digits than its factorization.

564668898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404721.

The product of its digits is 19906560, while the sum is 60.

The square root of 564668898 is about 23762.7628444169. The cubic root of 564668898 is about 826.5414208956.

The spelling of 564668898 in words is "five hundred sixty-four million, six hundred sixty-eight thousand, eight hundred ninety-eight".