377289389 has 2 divisors, whose sum is σ = 377289390. Its totient is φ = 377289388.

The previous prime is 377289379. The next prime is 377289397. The reversal of 377289389 is 983982773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373455625 + 3833764 = 19325^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 377289389 - 2⁴ = 377289373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (377289329) 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, 188644694 + 188644695.

It is an arithmetic number, because the mean of its divisors is an integer number (188644695).

Almost surely, 2^377289389 is an apocalyptic number.

It is an amenable number.

377289389 is a deficient number, since it is larger than the sum of its proper divisors (1).

377289389 is an equidigital number, since it uses as much as digits as its factorization.

377289389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 56.

The square root of 377289389 is about 19423.9385552982. The cubic root of 377289389 is about 722.5893067768.

The spelling of 377289389 in words is "three hundred seventy-seven million, two hundred eighty-nine thousand, three hundred eighty-nine".