378855127728 has 120 divisors (see below), whose sum is σ = 1321892822016. Its totient is φ = 98403926400.

The previous prime is 378855127727. The next prime is 378855127751. The reversal of 378855127728 is 827721558873.

378855127728 is a `hidden beast` number, since 3 + 7 + 8 + 8 + 551 + 2 + 7 + 72 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (378855127727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17072928 + ... + 17095103.

Almost surely, 2^378855127728 is an apocalyptic number.

It is an amenable number.

378855127728 is an abundant number, since it is smaller than the sum of its proper divisors (943037694288).

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

378855127728 is a wasteful number, since it uses less digits than its factorization.

378855127728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34168063 (or 34168054 counting only the distinct ones).

The product of its digits is 52684800, while the sum is 63.

The spelling of 378855127728 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, one hundred twenty-seven thousand, seven hundred twenty-eight".