3978108167704 has 32 divisors (see below), whose sum is σ = 8182497787200. Its totient is φ = 1798129129120.

The previous prime is 3978108167701. The next prime is 3978108167717. The reversal of 3978108167704 is 4077618018793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978108167701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126257362 + ... + 126288865.

It is an arithmetic number, because the mean of its divisors is an integer number (255703055850).

Almost surely, 2^{3978108167704} is an apocalyptic number.

It is an amenable number.

3978108167704 is an abundant number, since it is smaller than the sum of its proper divisors (4204389619496).

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

3978108167704 is a wasteful number, since it uses less digits than its factorization.

3978108167704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252546423 (or 252546419 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 3978108167704 in words is "three trillion, nine hundred seventy-eight billion, one hundred eight million, one hundred sixty-seven thousand, seven hundred four".