120779466889 has 2 divisors, whose sum is σ = 120779466890. Its totient is φ = 120779466888.

The previous prime is 120779466881. The next prime is 120779466917. The reversal of 120779466889 is 988664977021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69850261264 + 50929205625 = 264292^2 + 225675^2 .

It is a cyclic number.

It is not a de Polignac number, because 120779466889 - 2³ = 120779466881 is a prime.

It is not a weakly prime, because it can be changed into another prime (120779466881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60389733444 + 60389733445.

It is an arithmetic number, because the mean of its divisors is an integer number (60389733445).

Almost surely, 2^120779466889 is an apocalyptic number.

It is an amenable number.

120779466889 is a deficient number, since it is larger than the sum of its proper divisors (1).

120779466889 is an equidigital number, since it uses as much as digits as its factorization.

120779466889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 120779466889 in words is "one hundred twenty billion, seven hundred seventy-nine million, four hundred sixty-six thousand, eight hundred eighty-nine".