6377891 has 8 divisors (see below), whose sum is σ = 6911520. Its totient is φ = 5885256.

The previous prime is 6377887. The next prime is 6377893. The reversal of 6377891 is 1987736.

It is not a de Polignac number, because 6377891 - 2² = 6377887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6377893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 3648.

It is an arithmetic number, because the mean of its divisors is an integer number (863940).

Almost surely, 2^6377891 is an apocalyptic number.

6377891 is a deficient number, since it is larger than the sum of its proper divisors (533629).

6377891 is an equidigital number, since it uses as much as digits as its factorization.

6377891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942 (or 2916 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 6377891 is about 2525.4486730084. The cubic root of 6377891 is about 185.4495131698.

The spelling of 6377891 in words is "six million, three hundred seventy-seven thousand, eight hundred ninety-one".