3871968774198 has 48 divisors (see below), whose sum is σ = 9020249409024. Its totient is φ = 1104803658000.

The previous prime is 3871968774169. The next prime is 3871968774203. The reversal of 3871968774198 is 8914778691783.

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, 8547490 + ... + 8989077.

It is an arithmetic number, because the mean of its divisors is an integer number (187921862688).

Almost surely, 2^{3871968774198} is an apocalyptic number.

3871968774198 is an abundant number, since it is smaller than the sum of its proper divisors (5148280634826).

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

3871968774198 is a wasteful number, since it uses less digits than its factorization.

3871968774198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17537337 (or 17537330 counting only the distinct ones).

The product of its digits is 1024192512, while the sum is 78.

The spelling of 3871968774198 in words is "three trillion, eight hundred seventy-one billion, nine hundred sixty-eight million, seven hundred seventy-four thousand, one hundred ninety-eight".