378844890173 has 8 divisors (see below), whose sum is σ = 381970915200. Its totient is φ = 375724587168.

The previous prime is 378844890157. The next prime is 378844890191. The reversal of 378844890173 is 371098448873.

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

It is a cyclic number.

It is not a de Polignac number, because 378844890173 - 2⁴ = 378844890157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378844890373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297493 + ... + 1562426.

It is an arithmetic number, because the mean of its divisors is an integer number (47746364400).

Almost surely, 2^378844890173 is an apocalyptic number.

It is an amenable number.

378844890173 is a deficient number, since it is larger than the sum of its proper divisors (3126025027).

378844890173 is a wasteful number, since it uses less digits than its factorization.

378844890173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861011.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 378844890173 in words is "three hundred seventy-eight billion, eight hundred forty-four million, eight hundred ninety thousand, one hundred seventy-three".