968888881 has 2 divisors, whose sum is σ = 968888882. Its totient is φ = 968888880.

The previous prime is 968888863. The next prime is 968888953. The reversal of 968888881 is 188888869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915365025 + 53523856 = 30255^2 + 7316^2 .

It is a cyclic number.

It is not a de Polignac number, because 968888881 - 2²³ = 960500273 is a prime.

It is a super-2 number, since 2×968888881² = 1877491327450864322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (968888801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484444440 + 484444441.

It is an arithmetic number, because the mean of its divisors is an integer number (484444441).

Almost surely, 2^968888881 is an apocalyptic number.

It is an amenable number.

968888881 is a deficient number, since it is larger than the sum of its proper divisors (1).

968888881 is an equidigital number, since it uses as much as digits as its factorization.

968888881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14155776, while the sum is 64.

The square root of 968888881 is about 31126.9799530889. The cubic root of 968888881 is about 989.5201841130.

The spelling of 968888881 in words is "nine hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-one".