377220427 has 2 divisors, whose sum is σ = 377220428. Its totient is φ = 377220426.

The previous prime is 377220421. The next prime is 377220443. The reversal of 377220427 is 724022773.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 377220427 - 2²⁷ = 243002699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 377220392 and 377220401.

It is not a weakly prime, because it can be changed into another prime (377220421) 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, 188610213 + 188610214.

It is an arithmetic number, because the mean of its divisors is an integer number (188610214).

Almost surely, 2^377220427 is an apocalyptic number.

377220427 is a deficient number, since it is larger than the sum of its proper divisors (1).

377220427 is an equidigital number, since it uses as much as digits as its factorization.

377220427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 377220427 is about 19422.1632935160. The cubic root of 377220427 is about 722.5452784689.

The spelling of 377220427 in words is "three hundred seventy-seven million, two hundred twenty thousand, four hundred twenty-seven".