378111216 has 120 divisors (see below), whose sum is σ = 1154485632. Its totient is φ = 104457600.

The previous prime is 378111211. The next prime is 378111233. The reversal of 378111216 is 612111873.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378111211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322311 + ... + 323481.

Almost surely, 2^378111216 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 378111216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577242816).

378111216 is an abundant number, since it is smaller than the sum of its proper divisors (776374416).

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

378111216 is a wasteful number, since it uses less digits than its factorization.

378111216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1214 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 378111216 is about 19445.0820517683. The cubic root of 378111216 is about 723.1135840404.

The spelling of 378111216 in words is "three hundred seventy-eight million, one hundred eleven thousand, two hundred sixteen".