3978943814196 has 72 divisors (see below), whose sum is σ = 11401651890720. Its totient is φ = 1159854064704.

The previous prime is 3978943814189. The next prime is 3978943814207. The reversal of 3978943814196 is 6914183498793.

3978943814196 is a `hidden beast` number, since 3 + 9 + 78 + 94 + 381 + 4 + 1 + 96 = 666.

3978943814196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3978943814196² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223728390 + ... + 223746173.

It is an arithmetic number, because the mean of its divisors is an integer number (158356276260).

Almost surely, 2^{3978943814196} is an apocalyptic number.

3978943814196 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3978943814196 is an abundant number, since it is smaller than the sum of its proper divisors (7422708076524).

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

3978943814196 is a wasteful number, since it uses less digits than its factorization.

3978943814196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447474605 (or 447474600 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

The spelling of 3978943814196 in words is "three trillion, nine hundred seventy-eight billion, nine hundred forty-three million, eight hundred fourteen thousand, one hundred ninety-six".