968861291 has 2 divisors, whose sum is σ = 968861292. Its totient is φ = 968861290.

The previous prime is 968861273. The next prime is 968861323. The reversal of 968861291 is 192168869.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 968861291 - 2¹⁴ = 968844907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (968851291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484430645 + 484430646.

It is an arithmetic number, because the mean of its divisors is an integer number (484430646).

Almost surely, 2^968861291 is an apocalyptic number.

968861291 is a deficient number, since it is larger than the sum of its proper divisors (1).

968861291 is an equidigital number, since it uses as much as digits as its factorization.

968861291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 50.

The square root of 968861291 is about 31126.5367652747. The cubic root of 968861291 is about 989.5107915254.

The spelling of 968861291 in words is "nine hundred sixty-eight million, eight hundred sixty-one thousand, two hundred ninety-one".