564263647 has 8 divisors (see below), whose sum is σ = 577897376. Its totient is φ = 550789632.

The previous prime is 564263633. The next prime is 564263659. The reversal of 564263647 is 746362465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564263647 - 2¹⁵ = 564230879 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 (564263627) 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, 32763 + ... + 46924.

It is an arithmetic number, because the mean of its divisors is an integer number (72237172).

Almost surely, 2^564263647 is an apocalyptic number.

564263647 is a deficient number, since it is larger than the sum of its proper divisors (13633729).

564263647 is an equidigital number, since it uses as much as digits as its factorization.

564263647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79857.

The product of its digits is 725760, while the sum is 43.

The square root of 564263647 is about 23754.2342962260. The cubic root of 564263647 is about 826.3436431058.

The spelling of 564263647 in words is "five hundred sixty-four million, two hundred sixty-three thousand, six hundred forty-seven".