378518874894 has 48 divisors (see below), whose sum is σ = 846995544720. Its totient is φ = 122077013760.

The previous prime is 378518874869. The next prime is 378518874911. The reversal of 378518874894 is 498478815873.

378518874894 is a `hidden beast` number, since 37 + 8 + 518 + 8 + 74 + 8 + 9 + 4 = 666.

It is a super-2 number, since 2×378518874894² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1468347 + ... + 1706774.

It is an arithmetic number, because the mean of its divisors is an integer number (17645740515).

Almost surely, 2^378518874894 is an apocalyptic number.

378518874894 is an abundant number, since it is smaller than the sum of its proper divisors (468476669826).

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

378518874894 is a wasteful number, since it uses less digits than its factorization.

378518874894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175345 (or 3175342 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 378518874894 in words is "three hundred seventy-eight billion, five hundred eighteen million, eight hundred seventy-four thousand, eight hundred ninety-four".