378476508638 has 8 divisors (see below), whose sum is σ = 576188117832. Its totient is φ = 186413802696.

The previous prime is 378476508607. The next prime is 378476508659. The reversal of 378476508638 is 836805674873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412225645 + ... + 1412225912.

It is an arithmetic number, because the mean of its divisors is an integer number (72023514729).

Almost surely, 2^378476508638 is an apocalyptic number.

378476508638 is a deficient number, since it is larger than the sum of its proper divisors (197711609194).

378476508638 is a wasteful number, since it uses less digits than its factorization.

378476508638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824451626.

The product of its (nonzero) digits is 162570240, while the sum is 65.

The spelling of 378476508638 in words is "three hundred seventy-eight billion, four hundred seventy-six million, five hundred eight thousand, six hundred thirty-eight".