378857277888 has 56 divisors (see below), whose sum is σ = 1003163173248. Its totient is φ = 126188756736.

The previous prime is 378857277839. The next prime is 378857277923. The reversal of 378857277888 is 888772758873.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507006 + ... + 1007357.

Almost surely, 2^378857277888 is an apocalyptic number.

It is an amenable number.

378857277888 is an abundant number, since it is smaller than the sum of its proper divisors (624305895360).

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

378857277888 is a wasteful number, since it uses less digits than its factorization.

378857277888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515681 (or 1515671 counting only the distinct ones).

The product of its digits is 2360279040, while the sum is 78.

The spelling of 378857277888 in words is "three hundred seventy-eight billion, eight hundred fifty-seven million, two hundred seventy-seven thousand, eight hundred eighty-eight".