564838797 has 4 divisors (see below), whose sum is σ = 753118400. Its totient is φ = 376559196.

The previous prime is 564838793. The next prime is 564838811. The reversal of 564838797 is 797838465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 564838797 - 2² = 564838793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564838793) 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 3 ways as a sum of consecutive naturals, for example, 94139797 + ... + 94139802.

It is an arithmetic number, because the mean of its divisors is an integer number (188279600).

Almost surely, 2^564838797 is an apocalyptic number.

It is an amenable number.

564838797 is a deficient number, since it is larger than the sum of its proper divisors (188279603).

564838797 is a wasteful number, since it uses less digits than its factorization.

564838797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188279602.

The product of its digits is 10160640, while the sum is 57.

The square root of 564838797 is about 23766.3374755136. The cubic root of 564838797 is about 826.6243098709.

The spelling of 564838797 in words is "five hundred sixty-four million, eight hundred thirty-eight thousand, seven hundred ninety-seven".