377904997 has 2 divisors, whose sum is σ = 377904998. Its totient is φ = 377904996.

The previous prime is 377904977. The next prime is 377905039. The reversal of 377904997 is 799409773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377874721 + 30276 = 19439^2 + 174^2 .

It is a cyclic number.

It is not a de Polignac number, because 377904997 - 2⁷ = 377904869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (377904977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188952498 + 188952499.

It is an arithmetic number, because the mean of its divisors is an integer number (188952499).

Almost surely, 2^377904997 is an apocalyptic number.

It is an amenable number.

377904997 is a deficient number, since it is larger than the sum of its proper divisors (1).

377904997 is an equidigital number, since it uses as much as digits as its factorization.

377904997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000564, while the sum is 55.

The square root of 377904997 is about 19439.7787281646. The cubic root of 377904997 is about 722.9820999058.

The spelling of 377904997 in words is "three hundred seventy-seven million, nine hundred four thousand, nine hundred ninety-seven".