378813756 has 12 divisors (see below), whose sum is σ = 883898792. Its totient is φ = 126271248.

The previous prime is 378813739. The next prime is 378813761. The reversal of 378813756 is 657318873.

378813756 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 15783895 + ... + 15783918.

Almost surely, 2^378813756 is an apocalyptic number.

It is an amenable number.

378813756 is an abundant number, since it is smaller than the sum of its proper divisors (505085036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378813756 is a wasteful number, since it uses less digits than its factorization.

378813756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31567820 (or 31567818 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 378813756 is about 19463.1383903008. The cubic root of 378813756 is about 723.5611612652.

The spelling of 378813756 in words is "three hundred seventy-eight million, eight hundred thirteen thousand, seven hundred fifty-six".