377320913 has 2 divisors, whose sum is σ = 377320914. Its totient is φ = 377320912.

The previous prime is 377320903. The next prime is 377320919. The reversal of 377320913 is 319023773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286557184 + 90763729 = 16928^2 + 9527^2 .

It is a cyclic number.

It is not a de Polignac number, because 377320913 - 2⁴ = 377320897 is a prime.

It is not a weakly prime, because it can be changed into another prime (377320919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188660456 + 188660457.

It is an arithmetic number, because the mean of its divisors is an integer number (188660457).

Almost surely, 2^377320913 is an apocalyptic number.

It is an amenable number.

377320913 is a deficient number, since it is larger than the sum of its proper divisors (1).

377320913 is an equidigital number, since it uses as much as digits as its factorization.

377320913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 377320913 is about 19424.7500112614. The cubic root of 377320913 is about 722.6094312679.

The spelling of 377320913 in words is "three hundred seventy-seven million, three hundred twenty thousand, nine hundred thirteen".