378578980 has 48 divisors (see below), whose sum is σ = 861396480. Its totient is φ = 138930048.

The previous prime is 378578969. The next prime is 378579043. The reversal of 378578980 is 89875873.

378578980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39061 + ... + 47779.

It is an arithmetic number, because the mean of its divisors is an integer number (17945760).

Almost surely, 2^378578980 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 378578980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430698240).

378578980 is an abundant number, since it is smaller than the sum of its proper divisors (482817500).

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

378578980 is a wasteful number, since it uses less digits than its factorization.

378578980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908 (or 8906 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The square root of 378578980 is about 19457.1061568775. The cubic root of 378578980 is about 723.4116507658.

The spelling of 378578980 in words is "three hundred seventy-eight million, five hundred seventy-eight thousand, nine hundred eighty".