968718589 has 2 divisors, whose sum is σ = 968718590. Its totient is φ = 968718588.

The previous prime is 968718563. The next prime is 968718593. The reversal of 968718589 is 985817869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801456100 + 167262489 = 28310^2 + 12933^2 .

It is a cyclic number.

It is not a de Polignac number, because 968718589 - 2¹³ = 968710397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968718559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484359294 + 484359295.

It is an arithmetic number, because the mean of its divisors is an integer number (484359295).

Almost surely, 2^968718589 is an apocalyptic number.

It is an amenable number.

968718589 is a deficient number, since it is larger than the sum of its proper divisors (1).

968718589 is an equidigital number, since it uses as much as digits as its factorization.

968718589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 61.

The square root of 968718589 is about 31124.2443924347. The cubic root of 968718589 is about 989.4622079963.

The spelling of 968718589 in words is "nine hundred sixty-eight million, seven hundred eighteen thousand, five hundred eighty-nine".