564734887 has 2 divisors, whose sum is σ = 564734888. Its totient is φ = 564734886.

The previous prime is 564734813. The next prime is 564734909. The reversal of 564734887 is 788437465.

564734887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564734887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564731887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282367443 + 282367444.

It is an arithmetic number, because the mean of its divisors is an integer number (282367444).

Almost surely, 2^564734887 is an apocalyptic number.

564734887 is a deficient number, since it is larger than the sum of its proper divisors (1).

564734887 is an equidigital number, since it uses as much as digits as its factorization.

564734887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 52.

The square root of 564734887 is about 23764.1512998045. The cubic root of 564734887 is about 826.5736170595.

The spelling of 564734887 in words is "five hundred sixty-four million, seven hundred thirty-four thousand, eight hundred eighty-seven".