377485346881 has 2 divisors, whose sum is σ = 377485346882. Its totient is φ = 377485346880.

The previous prime is 377485346857. The next prime is 377485346911. The reversal of 377485346881 is 188643584773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195505465600 + 181979881281 = 442160^2 + 426591^2 .

It is a cyclic number.

It is not a de Polignac number, because 377485346881 - 2²¹ = 377483249729 is a prime.

It is a super-2 number, since 2×377485346881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (377485346831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188742673440 + 188742673441.

It is an arithmetic number, because the mean of its divisors is an integer number (188742673441).

Almost surely, 2^377485346881 is an apocalyptic number.

It is an amenable number.

377485346881 is a deficient number, since it is larger than the sum of its proper divisors (1).

377485346881 is an equidigital number, since it uses as much as digits as its factorization.

377485346881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108380160, while the sum is 64.

The spelling of 377485346881 in words is "three hundred seventy-seven billion, four hundred eighty-five million, three hundred forty-six thousand, eight hundred eighty-one".