2977392889 has 2 divisors, whose sum is σ = 2977392890. Its totient is φ = 2977392888.

The previous prime is 2977392871. The next prime is 2977392893. The reversal of 2977392889 is 9882937792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2692053225 + 285339664 = 51885^2 + 16892^2 .

It is a cyclic number.

It is not a de Polignac number, because 2977392889 - 2⁵ = 2977392857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2977392889.

It is not a weakly prime, because it can be changed into another prime (2977392809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1488696444 + 1488696445.

It is an arithmetic number, because the mean of its divisors is an integer number (1488696445).

Almost surely, 2^2977392889 is an apocalyptic number.

It is an amenable number.

2977392889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2977392889 is an equidigital number, since it uses as much as digits as its factorization.

2977392889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 64.

The square root of 2977392889 is about 54565.4917415760. The cubic root of 2977392889 is about 1438.6176434723.

The spelling of 2977392889 in words is "two billion, nine hundred seventy-seven million, three hundred ninety-two thousand, eight hundred eighty-nine".