378815612372 has 96 divisors (see below), whose sum is σ = 729599270400. Its totient is φ = 171378450432.

The previous prime is 378815612369. The next prime is 378815612443. The reversal of 378815612372 is 273216518873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121452629 + ... + 121455747.

It is an arithmetic number, because the mean of its divisors is an integer number (7599992400).

Almost surely, 2^378815612372 is an apocalyptic number.

It is an amenable number.

378815612372 is a deficient number, since it is larger than the sum of its proper divisors (350783658028).

378815612372 is a wasteful number, since it uses less digits than its factorization.

378815612372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825 (or 3823 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The spelling of 378815612372 in words is "three hundred seventy-eight billion, eight hundred fifteen million, six hundred twelve thousand, three hundred seventy-two".