6377838971 has 12 divisors (see below), whose sum is σ = 7658447040. Its totient is φ = 5290372080.

The previous prime is 6377838923. The next prime is 6377839037. The reversal of 6377838971 is 1798387736.

It is a de Polignac number, because none of the positive numbers 2^k-6377838971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6377838971.

It is not an unprimeable number, because it can be changed into a prime (6377838871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2097836 + ... + 2100873.

It is an arithmetic number, because the mean of its divisors is an integer number (638203920).

Almost surely, 2^6377838971 is an apocalyptic number.

6377838971 is a deficient number, since it is larger than the sum of its proper divisors (1280608069).

6377838971 is a wasteful number, since it uses less digits than its factorization.

6377838971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198754 (or 4198747 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 59.

The square root of 6377838971 is about 79861.3734605159. The cubic root of 6377838971 is about 1854.4900888718.

The spelling of 6377838971 in words is "six billion, three hundred seventy-seven million, eight hundred thirty-eight thousand, nine hundred seventy-one".