378815270856 has 64 divisors (see below), whose sum is σ = 1033205889600. Its totient is φ = 114784358400.

The previous prime is 378815270839. The next prime is 378815270881. The reversal of 378815270856 is 658072518873.

It is a self number, because there is not a number n which added to its sum of digits gives 378815270856.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4416216 + ... + 4501176.

It is an arithmetic number, because the mean of its divisors is an integer number (16143842025).

Almost surely, 2^378815270856 is an apocalyptic number.

It is an amenable number.

378815270856 is an abundant number, since it is smaller than the sum of its proper divisors (654390618744).

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

378815270856 is a wasteful number, since it uses less digits than its factorization.

378815270856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101870 (or 101866 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 378815270856 in words is "three hundred seventy-eight billion, eight hundred fifteen million, two hundred seventy thousand, eight hundred fifty-six".