8378516367728 has 120 divisors (see below), whose sum is σ = 19350253410768. Its totient is φ = 3481295026176.

The previous prime is 8378516367671. The next prime is 8378516367733. The reversal of 8378516367728 is 8277636158738.

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, 369050 + ... + 4110137.

Almost surely, 2^{8378516367728} is an apocalyptic number.

It is an amenable number.

8378516367728 is an abundant number, since it is smaller than the sum of its proper divisors (10971737043040).

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

8378516367728 is a wasteful number, since it uses less digits than its factorization.

8378516367728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479271 (or 4479242 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 71.

The spelling of 8378516367728 in words is "eight trillion, three hundred seventy-eight billion, five hundred sixteen million, three hundred sixty-seven thousand, seven hundred twenty-eight".