6379855876 has 9 divisors (see below), whose sum is σ = 11165027349. Its totient is φ = 3189848064.

The previous prime is 6379855849. The next prime is 6379855877. The reversal of 6379855876 is 6785589736.

The square root of 6379855876 is 79874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5444964100 + 934891776 = 73790^2 + 30576^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6379855877) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 139780 + ... + 179716.

Almost surely, 2^6379855876 is an apocalyptic number.

6379855876 is the 79874-th square number.

It is an amenable number.

6379855876 is a deficient number, since it is larger than the sum of its proper divisors (4785171473).

6379855876 is an frugal number, since it uses more digits than its factorization.

6379855876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79878 (or 39939 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 64.

The cubic root of 6379855876 is about 1854.6855540413.

Multiplying 6379855876 by its sum of digits (64), we get a square (408310776064 = 638992²).

The spelling of 6379855876 in words is "six billion, three hundred seventy-nine million, eight hundred fifty-five thousand, eight hundred seventy-six".