378832831388 has 24 divisors (see below), whose sum is σ = 734020742784. Its totient is φ = 169626639600.

The previous prime is 378832831369. The next prime is 378832831439. The reversal of 378832831388 is 883138238873.

It is a self number, because there is not a number n which added to its sum of digits gives 378832831388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64249568 + ... + 64255463.

It is an arithmetic number, because the mean of its divisors is an integer number (30584197616).

Almost surely, 2^378832831388 is an apocalyptic number.

It is an amenable number.

378832831388 is a deficient number, since it is larger than the sum of its proper divisors (355187911396).

378832831388 is a wasteful number, since it uses less digits than its factorization.

378832831388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128505113 (or 128505111 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 62.

The spelling of 378832831388 in words is "three hundred seventy-eight billion, eight hundred thirty-two million, eight hundred thirty-one thousand, three hundred eighty-eight".