377226961 has 2 divisors, whose sum is σ = 377226962. Its totient is φ = 377226960.

The previous prime is 377226959. The next prime is 377226977. The reversal of 377226961 is 169622773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370755025 + 6471936 = 19255^2 + 2544^2 .

It is an emirp because it is prime and its reverse (169622773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 377226961 - 2¹ = 377226959 is a prime.

Together with 377226959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (377226911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188613480 + 188613481.

It is an arithmetic number, because the mean of its divisors is an integer number (188613481).

Almost surely, 2^377226961 is an apocalyptic number.

It is an amenable number.

377226961 is a deficient number, since it is larger than the sum of its proper divisors (1).

377226961 is an equidigital number, since it uses as much as digits as its factorization.

377226961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 377226961 is about 19422.3315026801. The cubic root of 377226961 is about 722.5494502857.

The spelling of 377226961 in words is "three hundred seventy-seven million, two hundred twenty-six thousand, nine hundred sixty-one".