968719657 has 2 divisors, whose sum is σ = 968719658. Its totient is φ = 968719656.

The previous prime is 968719601. The next prime is 968719729. The reversal of 968719657 is 756917869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947962521 + 20757136 = 30789^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 968719657 - 2¹⁵ = 968686889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (968719057) 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, 484359828 + 484359829.

It is an arithmetic number, because the mean of its divisors is an integer number (484359829).

Almost surely, 2^968719657 is an apocalyptic number.

It is an amenable number.

968719657 is a deficient number, since it is larger than the sum of its proper divisors (1).

968719657 is an equidigital number, since it uses as much as digits as its factorization.

968719657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 58.

The square root of 968719657 is about 31124.2615494729. The cubic root of 968719657 is about 989.4625716193.

The spelling of 968719657 in words is "nine hundred sixty-eight million, seven hundred nineteen thousand, six hundred fifty-seven".