377981683 has 2 divisors, whose sum is σ = 377981684. Its totient is φ = 377981682.

The previous prime is 377981651. The next prime is 377981707. The reversal of 377981683 is 386189773.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (386189773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 377981683 - 2⁵ = 377981651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 377981683.

It is not a weakly prime, because it can be changed into another prime (377981633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188990841 + 188990842.

It is an arithmetic number, because the mean of its divisors is an integer number (188990842).

Almost surely, 2^377981683 is an apocalyptic number.

377981683 is a deficient number, since it is larger than the sum of its proper divisors (1).

377981683 is an equidigital number, since it uses as much as digits as its factorization.

377981683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 377981683 is about 19441.7510271066. The cubic root of 377981683 is about 723.0310000756.

The spelling of 377981683 in words is "three hundred seventy-seven million, nine hundred eighty-one thousand, six hundred eighty-three".