377706673481 has 2 divisors, whose sum is σ = 377706673482. Its totient is φ = 377706673480.

The previous prime is 377706673469. The next prime is 377706673511. The reversal of 377706673481 is 184376607773.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223166484025 + 154540189456 = 472405^2 + 393116^2 .

It is a cyclic number.

It is not a de Polignac number, because 377706673481 - 2²² = 377702479177 is a prime.

It is a super-2 number, since 2×377706673481² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 377706673481.

It is not a weakly prime, because it can be changed into another prime (377706603481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188853336740 + 188853336741.

It is an arithmetic number, because the mean of its divisors is an integer number (188853336741).

Almost surely, 2^377706673481 is an apocalyptic number.

It is an amenable number.

377706673481 is a deficient number, since it is larger than the sum of its proper divisors (1).

377706673481 is an equidigital number, since it uses as much as digits as its factorization.

377706673481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24893568, while the sum is 59.

The spelling of 377706673481 in words is "three hundred seventy-seven billion, seven hundred six million, six hundred seventy-three thousand, four hundred eighty-one".