564390977 has 2 divisors, whose sum is σ = 564390978. Its totient is φ = 564390976.

The previous prime is 564390947. The next prime is 564391001. The reversal of 564390977 is 779093465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454371856 + 110019121 = 21316^2 + 10489^2 .

It is a cyclic number.

It is not a de Polignac number, because 564390977 - 2²⁰ = 563342401 is a prime.

It is not a weakly prime, because it can be changed into another prime (564390917) 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 as a sum of consecutive naturals, namely, 282195488 + 282195489.

It is an arithmetic number, because the mean of its divisors is an integer number (282195489).

Almost surely, 2^564390977 is an apocalyptic number.

It is an amenable number.

564390977 is a deficient number, since it is larger than the sum of its proper divisors (1).

564390977 is an equidigital number, since it uses as much as digits as its factorization.

564390977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 564390977 is about 23756.9142987889. The cubic root of 564390977 is about 826.4057951531.

The spelling of 564390977 in words is "five hundred sixty-four million, three hundred ninety thousand, nine hundred seventy-seven".