968718563 has 2 divisors, whose sum is σ = 968718564. Its totient is φ = 968718562.

The previous prime is 968718559. The next prime is 968718589. The reversal of 968718563 is 365817869.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 968718563 - 2² = 968718559 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (968718503) 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, 484359281 + 484359282.

It is an arithmetic number, because the mean of its divisors is an integer number (484359282).

Almost surely, 2^968718563 is an apocalyptic number.

968718563 is a deficient number, since it is larger than the sum of its proper divisors (1).

968718563 is an equidigital number, since it uses as much as digits as its factorization.

968718563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 968718563 is about 31124.2439747538. The cubic root of 968718563 is about 989.4621991440.

The spelling of 968718563 in words is "nine hundred sixty-eight million, seven hundred eighteen thousand, five hundred sixty-three".