378815868016 has 20 divisors (see below), whose sum is σ = 772584994600. Its totient is φ = 179439095232.

The previous prime is 378815867999. The next prime is 378815868023. The reversal of 378815868016 is 610868518873.

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 3 ways as a sum of consecutive naturals, for example, 623052111 + ... + 623052718.

It is an arithmetic number, because the mean of its divisors is an integer number (38629249730).

Almost surely, 2^378815868016 is an apocalyptic number.

It is an amenable number.

378815868016 is an abundant number, since it is smaller than the sum of its proper divisors (393769126584).

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

378815868016 is a wasteful number, since it uses less digits than its factorization.

378815868016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246104856 (or 1246104850 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 378815868016 in words is "three hundred seventy-eight billion, eight hundred fifteen million, eight hundred sixty-eight thousand, sixteen".