378898474918 has 4 divisors (see below), whose sum is σ = 568347712380. Its totient is φ = 189449237458.

The previous prime is 378898474909. The next prime is 378898474931. The reversal of 378898474918 is 819474898873.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94724618728 + ... + 94724618731.

It is an arithmetic number, because the mean of its divisors is an integer number (142086928095).

Almost surely, 2^378898474918 is an apocalyptic number.

378898474918 is a deficient number, since it is larger than the sum of its proper divisors (189449237462).

378898474918 is a wasteful number, since it uses less digits than its factorization.

378898474918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189449237461.

The product of its digits is 780337152, while the sum is 76.

The spelling of 378898474918 in words is "three hundred seventy-eight billion, eight hundred ninety-eight million, four hundred seventy-four thousand, nine hundred eighteen".