378313808 has 20 divisors (see below), whose sum is σ = 733429620. Its totient is φ = 189041664.

The previous prime is 378313777. The next prime is 378313811. The reversal of 378313808 is 808313873.

It can be written as a sum of positive squares in 2 ways, for example, as 282508864 + 95804944 = 16808^2 + 9788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23966 + ... + 36482.

It is an arithmetic number, because the mean of its divisors is an integer number (36671481).

Almost surely, 2^378313808 is an apocalyptic number.

It is an amenable number.

378313808 is a deficient number, since it is larger than the sum of its proper divisors (355115812).

378313808 is a wasteful number, since it uses less digits than its factorization.

378313808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414 (or 14408 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 378313808 is about 19450.2906919151. The cubic root of 378313808 is about 723.2427090742.

The spelling of 378313808 in words is "three hundred seventy-eight million, three hundred thirteen thousand, eight hundred eight".