6378838922 has 16 divisors (see below), whose sum is σ = 9755619720. Its totient is φ = 3127569408.

The previous prime is 6378838861. The next prime is 6378838931. The reversal of 6378838922 is 2298388736.

It can be written as a sum of positive squares in 4 ways, for example, as 6365007961 + 13830961 = 79781^2 + 3719^2 .

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, 129683 + ... + 171974.

Almost surely, 2^6378838922 is an apocalyptic number.

6378838922 is a deficient number, since it is larger than the sum of its proper divisors (3376780798).

6378838922 is a wasteful number, since it uses less digits than its factorization.

6378838922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301865.

The product of its digits is 6967296, while the sum is 56.

The square root of 6378838922 is about 79867.6337573613. The cubic root of 6378838922 is about 1854.5870026970.

The spelling of 6378838922 in words is "six billion, three hundred seventy-eight million, eight hundred thirty-eight thousand, nine hundred twenty-two".