378853345872 has 120 divisors (see below), whose sum is σ = 1076112058944. Its totient is φ = 124409475072.

The previous prime is 378853345847. The next prime is 378853345883. The reversal of 378853345872 is 278543358873.

378853345872 is a `hidden beast` number, since 3 + 7 + 8 + 85 + 33 + 458 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2796403 + ... + 2928749.

Almost surely, 2^378853345872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378853345872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538056029472).

378853345872 is an abundant number, since it is smaller than the sum of its proper divisors (697258713072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378853345872 is a wasteful number, since it uses less digits than its factorization.

378853345872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132657 (or 132648 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 63.

The spelling of 378853345872 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, three hundred forty-five thousand, eight hundred seventy-two".