3878993168 has 20 divisors (see below), whose sum is σ = 7560557760. Its totient is φ = 1927881504.

The previous prime is 3878993159. The next prime is 3878993201. The reversal of 3878993168 is 8613998783.

3878993168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3878993168.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723188 + ... + 728531.

It is an arithmetic number, because the mean of its divisors is an integer number (378027888).

Almost surely, 2^3878993168 is an apocalyptic number.

It is an amenable number.

3878993168 is a deficient number, since it is larger than the sum of its proper divisors (3681564592).

3878993168 is a wasteful number, since it uses less digits than its factorization.

3878993168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451894 (or 1451888 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The square root of 3878993168 is about 62281.5636284125. The cubic root of 3878993168 is about 1571.2296704666.

The spelling of 3878993168 in words is "three billion, eight hundred seventy-eight million, nine hundred ninety-three thousand, one hundred sixty-eight".