378785752 has 16 divisors (see below), whose sum is σ = 712755000. Its totient is φ = 188717760.

The previous prime is 378785747. The next prime is 378785777. The reversal of 378785752 is 257587873.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 378785752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82002 + ... + 86497.

Almost surely, 2^378785752 is an apocalyptic number.

It is an amenable number.

378785752 is a deficient number, since it is larger than the sum of its proper divisors (333969248).

378785752 is a wasteful number, since it uses less digits than its factorization.

378785752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168786 (or 168782 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 52.

The square root of 378785752 is about 19462.4189657915. The cubic root of 378785752 is about 723.5433309499.

The spelling of 378785752 in words is "three hundred seventy-eight million, seven hundred eighty-five thousand, seven hundred fifty-two".