377440057 has 2 divisors, whose sum is σ = 377440058. Its totient is φ = 377440056.

The previous prime is 377440031. The next prime is 377440067. The reversal of 377440057 is 750044773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189640441 + 187799616 = 13771^2 + 13704^2 .

It is an emirp because it is prime and its reverse (750044773) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-377440057 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 377439998 and 377440025.

It is not a weakly prime, because it can be changed into another prime (377440027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188720028 + 188720029.

It is an arithmetic number, because the mean of its divisors is an integer number (188720029).

Almost surely, 2^377440057 is an apocalyptic number.

It is an amenable number.

377440057 is a deficient number, since it is larger than the sum of its proper divisors (1).

377440057 is an equidigital number, since it uses as much as digits as its factorization.

377440057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 377440057 is about 19427.8165782982. The cubic root of 377440057 is about 722.6854810484.

The spelling of 377440057 in words is "three hundred seventy-seven million, four hundred forty thousand, fifty-seven".