564423767 has 4 divisors (see below), whose sum is σ = 564532800. Its totient is φ = 564314736.

The previous prime is 564423763. The next prime is 564423779. The reversal of 564423767 is 767324465.

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

It is a cyclic number.

It is not a de Polignac number, because 564423767 - 2² = 564423763 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 (564423763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46343 + ... + 57240.

It is an arithmetic number, because the mean of its divisors is an integer number (141133200).

Almost surely, 2^564423767 is an apocalyptic number.

564423767 is a deficient number, since it is larger than the sum of its proper divisors (109033).

564423767 is a wasteful number, since it uses less digits than its factorization.

564423767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109032.

The product of its digits is 846720, while the sum is 44.

The square root of 564423767 is about 23757.6044036431. The cubic root of 564423767 is about 826.4217990242.

The spelling of 564423767 in words is "five hundred sixty-four million, four hundred twenty-three thousand, seven hundred sixty-seven".