378551983275 has 60 divisors (see below), whose sum is σ = 707642654400. Its totient is φ = 200042032320.

The previous prime is 378551983273. The next prime is 378551983289. The reversal of 378551983275 is 572389155873.

378551983275 is a `hidden beast` number, since 3 + 7 + 8 + 551 + 9 + 8 + 3 + 2 + 75 = 666.

378551983275 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 378551983275 - 2¹ = 378551983273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378551983273) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 636795 + ... + 1078244.

It is an arithmetic number, because the mean of its divisors is an integer number (11794044240).

Almost surely, 2^378551983275 is an apocalyptic number.

378551983275 is a deficient number, since it is larger than the sum of its proper divisors (329090671125).

378551983275 is a wasteful number, since it uses less digits than its factorization.

378551983275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715170 (or 1715156 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 63.

The spelling of 378551983275 in words is "three hundred seventy-eight billion, five hundred fifty-one million, nine hundred eighty-three thousand, two hundred seventy-five".