564505836808 has 8 divisors (see below), whose sum is σ = 1058448444030. Its totient is φ = 282252918400.

The previous prime is 564505836803. The next prime is 564505836821. The reversal of 564505836808 is 808638505465.

564505836808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 499195945444 + 65309891364 = 706538^2 + 255558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (564505836803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35281614793 + ... + 35281614808.

Almost surely, 2^564505836808 is an apocalyptic number.

It is an amenable number.

564505836808 is a deficient number, since it is larger than the sum of its proper divisors (493942607222).

564505836808 is a wasteful number, since it uses less digits than its factorization.

564505836808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70563229607 (or 70563229603 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 58.

The spelling of 564505836808 in words is "five hundred sixty-four billion, five hundred five million, eight hundred thirty-six thousand, eight hundred eight".