378652878 has 12 divisors (see below), whose sum is σ = 820414608. Its totient is φ = 126217620.

The previous prime is 378652847. The next prime is 378652927. The reversal of 378652878 is 878256873.

378652878 is a `hidden beast` number, since 37 + 86 + 528 + 7 + 8 = 666.

378652878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10518118 + ... + 10518153.

It is an arithmetic number, because the mean of its divisors is an integer number (68367884).

Almost surely, 2^378652878 is an apocalyptic number.

378652878 is an abundant number, since it is smaller than the sum of its proper divisors (441761730).

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

378652878 is a wasteful number, since it uses less digits than its factorization.

378652878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036279 (or 21036276 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 378652878 is about 19459.0050619244. The cubic root of 378652878 is about 723.4587172953.

The spelling of 378652878 in words is "three hundred seventy-eight million, six hundred fifty-two thousand, eight hundred seventy-eight".