968888861 has 2 divisors, whose sum is σ = 968888862. Its totient is φ = 968888860.

The previous prime is 968888801. The next prime is 968888863. The reversal of 968888861 is 168888869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719848900 + 249039961 = 26830^2 + 15781^2 .

It is a cyclic number.

It is not a de Polignac number, because 968888861 - 2¹⁸ = 968626717 is a prime.

Together with 968888863, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 968888794 and 968888803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968888863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484444430 + 484444431.

It is an arithmetic number, because the mean of its divisors is an integer number (484444431).

Almost surely, 2^968888861 is an apocalyptic number.

It is an amenable number.

968888861 is a deficient number, since it is larger than the sum of its proper divisors (1).

968888861 is an equidigital number, since it uses as much as digits as its factorization.

968888861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10616832, while the sum is 62.

The square root of 968888861 is about 31126.9796318242. The cubic root of 968888861 is about 989.5201773043.

The spelling of 968888861 in words is "nine hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred sixty-one".