564799085 has 4 divisors (see below), whose sum is σ = 677758908. Its totient is φ = 451839264.

The previous prime is 564799057. The next prime is 564799091. The reversal of 564799085 is 580997465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91910569 + 472888516 = 9587^2 + 21746^2 .

It is a cyclic number.

It is not a de Polignac number, because 564799085 - 2⁶ = 564799021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56479904 + ... + 56479913.

It is an arithmetic number, because the mean of its divisors is an integer number (169439727).

Almost surely, 2^564799085 is an apocalyptic number.

It is an amenable number.

564799085 is a deficient number, since it is larger than the sum of its proper divisors (112959823).

564799085 is a wasteful number, since it uses less digits than its factorization.

564799085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112959822.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 564799085 is about 23765.5019934358. The cubic root of 564799085 is about 826.6049369843.

The spelling of 564799085 in words is "five hundred sixty-four million, seven hundred ninety-nine thousand, eighty-five".