378813545318 has 16 divisors (see below), whose sum is σ = 612552126816. Its totient is φ = 174659148480.

The previous prime is 378813545303. The next prime is 378813545413. The reversal of 378813545318 is 813545318873.

It is a super-2 number, since 2×378813545318² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7385303 + ... + 7436418.

It is an arithmetic number, because the mean of its divisors is an integer number (38284507926).

Almost surely, 2^378813545318 is an apocalyptic number.

378813545318 is a deficient number, since it is larger than the sum of its proper divisors (233738581498).

378813545318 is a wasteful number, since it uses less digits than its factorization.

378813545318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822719.

The product of its digits is 9676800, while the sum is 56.

The spelling of 378813545318 in words is "three hundred seventy-eight billion, eight hundred thirteen million, five hundred forty-five thousand, three hundred eighteen".