8564884663 has 2 divisors, whose sum is σ = 8564884664. Its totient is φ = 8564884662.

The previous prime is 8564884649. The next prime is 8564884711. The reversal of 8564884663 is 3664884658.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8564884663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8564884598 and 8564884607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8564884963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4282442331 + 4282442332.

It is an arithmetic number, because the mean of its divisors is an integer number (4282442332).

Almost surely, 2^8564884663 is an apocalyptic number.

8564884663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8564884663 is an equidigital number, since it uses as much as digits as its factorization.

8564884663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26542080, while the sum is 58.

The square root of 8564884663 is about 92546.6620845938. The cubic root of 8564884663 is about 2046.0072721886.

The spelling of 8564884663 in words is "eight billion, five hundred sixty-four million, eight hundred eighty-four thousand, six hundred sixty-three".