378365864 has 32 divisors (see below), whose sum is σ = 716448000. Its totient is φ = 187323840.

The previous prime is 378365851. The next prime is 378365921. The reversal of 378365864 is 468563873.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430994 + ... + 431870.

It is an arithmetic number, because the mean of its divisors is an integer number (22389000).

Almost surely, 2^378365864 is an apocalyptic number.

It is an amenable number.

378365864 is a deficient number, since it is larger than the sum of its proper divisors (338082136).

378365864 is a wasteful number, since it uses less digits than its factorization.

378365864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1349 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 378365864 is about 19451.6288263991. The cubic root of 378365864 is about 723.2758802978.

The spelling of 378365864 in words is "three hundred seventy-eight million, three hundred sixty-five thousand, eight hundred sixty-four".