968576891 has 2 divisors, whose sum is σ = 968576892. Its totient is φ = 968576890.

The previous prime is 968576879. The next prime is 968576909. The reversal of 968576891 is 198675869.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968576891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 968576891.

It is not a weakly prime, because it can be changed into another prime (968576801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484288445 + 484288446.

It is an arithmetic number, because the mean of its divisors is an integer number (484288446).

Almost surely, 2^968576891 is an apocalyptic number.

968576891 is a deficient number, since it is larger than the sum of its proper divisors (1).

968576891 is an equidigital number, since it uses as much as digits as its factorization.

968576891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 59.

The square root of 968576891 is about 31121.9679808331. The cubic root of 968576891 is about 989.4139615622.

The spelling of 968576891 in words is "nine hundred sixty-eight million, five hundred seventy-six thousand, eight hundred ninety-one".