6377689 has 2 divisors, whose sum is σ = 6377690. Its totient is φ = 6377688.

The previous prime is 6377641. The next prime is 6377713. The reversal of 6377689 is 9867736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6086089 + 291600 = 2467^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 6377689 - 2⁹ = 6377177 is a prime.

6377689 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6377639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188844 + 3188845.

It is an arithmetic number, because the mean of its divisors is an integer number (3188845).

Almost surely, 2^6377689 is an apocalyptic number.

It is an amenable number.

6377689 is a deficient number, since it is larger than the sum of its proper divisors (1).

6377689 is an equidigital number, since it uses as much as digits as its factorization.

6377689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 6377689 is about 2525.4086797982. The cubic root of 6377689 is about 185.4475553023.

The spelling of 6377689 in words is "six million, three hundred seventy-seven thousand, six hundred eighty-nine".