378028949518 has 8 divisors (see below), whose sum is σ = 618592826520. Its totient is φ = 171831340680.

The previous prime is 378028949489. The next prime is 378028949579. The reversal of 378028949518 is 815949820873.

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

It is a self number, because there is not a number n which added to its sum of digits gives 378028949518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8591567013 + ... + 8591567056.

It is an arithmetic number, because the mean of its divisors is an integer number (77324103315).

Almost surely, 2^378028949518 is an apocalyptic number.

378028949518 is a deficient number, since it is larger than the sum of its proper divisors (240563877002).

378028949518 is a wasteful number, since it uses less digits than its factorization.

378028949518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17183134082.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 378028949518 in words is "three hundred seventy-eight billion, twenty-eight million, nine hundred forty-nine thousand, five hundred eighteen".