378785504 has 24 divisors (see below), whose sum is σ = 746566128. Its totient is φ = 189181440.

The previous prime is 378785441. The next prime is 378785507. The reversal of 378785504 is 405587873.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378785507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24824 + ... + 37064.

It is an arithmetic number, because the mean of its divisors is an integer number (31106922).

Almost surely, 2^378785504 is an apocalyptic number.

It is an amenable number.

378785504 is a deficient number, since it is larger than the sum of its proper divisors (367780624).

378785504 is a wasteful number, since it uses less digits than its factorization.

378785504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13218 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 378785504 is about 19462.4125945372. The cubic root of 378785504 is about 723.5431730429.

The spelling of 378785504 in words is "three hundred seventy-eight million, seven hundred eighty-five thousand, five hundred four".