378638876 has 36 divisors (see below), whose sum is σ = 840878136. Its totient is φ = 147520800.

The previous prime is 378638873. The next prime is 378638891. The reversal of 378638876 is 678836873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378638873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85655 + ... + 89966.

It is an arithmetic number, because the mean of its divisors is an integer number (23357726).

Almost surely, 2^378638876 is an apocalyptic number.

It is an amenable number.

378638876 is an abundant number, since it is smaller than the sum of its proper divisors (462239260).

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

378638876 is a wasteful number, since it uses less digits than its factorization.

378638876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175650 (or 175641 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 378638876 is about 19458.6452765859. The cubic root of 378638876 is about 723.4497997225.

The spelling of 378638876 in words is "three hundred seventy-eight million, six hundred thirty-eight thousand, eight hundred seventy-six".