377679641 has 2 divisors, whose sum is σ = 377679642. Its totient is φ = 377679640.

The previous prime is 377679629. The next prime is 377679677. The reversal of 377679641 is 146976773.

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., 377486041 + 193600 = 19429^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 377679641 - 2¹⁴ = 377663257 is a prime.

It is a super-2 number, since 2×377679641² = 285283822451777762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 377679641.

It is not a weakly prime, because it can be changed into another prime (377679691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188839820 + 188839821.

It is an arithmetic number, because the mean of its divisors is an integer number (188839821).

Almost surely, 2^377679641 is an apocalyptic number.

It is an amenable number.

377679641 is a deficient number, since it is larger than the sum of its proper divisors (1).

377679641 is an equidigital number, since it uses as much as digits as its factorization.

377679641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 50.

The square root of 377679641 is about 19433.9816043959. The cubic root of 377679641 is about 722.8383594133.

The spelling of 377679641 in words is "three hundred seventy-seven million, six hundred seventy-nine thousand, six hundred forty-one".