968890001 has 2 divisors, whose sum is σ = 968890002. Its totient is φ = 968890000.

The previous prime is 968889989. The next prime is 968890003. The reversal of 968890001 is 100098869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796650625 + 172239376 = 28225^2 + 13124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968890001 is a prime.

Together with 968890003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (968890003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484445000 + 484445001.

It is an arithmetic number, because the mean of its divisors is an integer number (484445001).

Almost surely, 2^968890001 is an apocalyptic number.

It is an amenable number.

968890001 is a deficient number, since it is larger than the sum of its proper divisors (1).

968890001 is an equidigital number, since it uses as much as digits as its factorization.

968890001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 968890001 is about 31126.9979439072. The cubic root of 968890001 is about 989.5205653958.

The spelling of 968890001 in words is "nine hundred sixty-eight million, eight hundred ninety thousand, one".