378587912 has 16 divisors (see below), whose sum is σ = 740715840. Its totient is φ = 181063696.

The previous prime is 378587897. The next prime is 378587941. The reversal of 378587912 is 219785873.

It is a super-2 number, since 2×378587912² = 286657614225039488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028588 + ... + 1028955.

It is an arithmetic number, because the mean of its divisors is an integer number (46294740).

Almost surely, 2^378587912 is an apocalyptic number.

It is an amenable number.

378587912 is a deficient number, since it is larger than the sum of its proper divisors (362127928).

378587912 is a wasteful number, since it uses less digits than its factorization.

378587912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057572 (or 2057568 counting only the distinct ones).

The product of its digits is 846720, while the sum is 50.

The square root of 378587912 is about 19457.3356860594. The cubic root of 378587912 is about 723.4173399899.

The spelling of 378587912 in words is "three hundred seventy-eight million, five hundred eighty-seven thousand, nine hundred twelve".