6378944376 has 32 divisors (see below), whose sum is σ = 18225555840. Its totient is φ = 1822555488.

The previous prime is 6378944353. The next prime is 6378944449. The reversal of 6378944376 is 6734498736.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18984786 + ... + 18985121.

It is an arithmetic number, because the mean of its divisors is an integer number (569548620).

Almost surely, 2^6378944376 is an apocalyptic number.

It is an amenable number.

6378944376 is an abundant number, since it is smaller than the sum of its proper divisors (11846611464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6378944376 is a wasteful number, since it uses less digits than its factorization.

6378944376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37969923 (or 37969919 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 57.

The square root of 6378944376 is about 79868.2939344519. The cubic root of 6378944376 is about 1854.5972225579.

The spelling of 6378944376 in words is "six billion, three hundred seventy-eight million, nine hundred forty-four thousand, three hundred seventy-six".