378087912 has 40 divisors (see below), whose sum is σ = 1058998050. Its totient is φ = 126029088.

The previous prime is 378087911. The next prime is 378087929. The reversal of 378087912 is 219780873.

It can be written as a sum of positive squares in only one way, i.e., 339075396 + 39012516 = 18414^2 + 6246^2 .

It is not an unprimeable number, because it can be changed into a prime (378087911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 291087 + ... + 292382.

Almost surely, 2^378087912 is an apocalyptic number.

It is an amenable number.

378087912 is an abundant number, since it is smaller than the sum of its proper divisors (680910138).

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

378087912 is a wasteful number, since it uses less digits than its factorization.

378087912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583487 (or 583474 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 378087912 is about 19444.4828164701. The cubic root of 378087912 is about 723.0987279306.

The spelling of 378087912 in words is "three hundred seventy-eight million, eighty-seven thousand, nine hundred twelve".