378813276 has 36 divisors (see below), whose sum is σ = 973791000. Its totient is φ = 124130208.

The previous prime is 378813269. The next prime is 378813293. The reversal of 378813276 is 672318873.

378813276 is a `hidden beast` number, since 378 + 8 + 1 + 3 + 276 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87051 + ... + 91298.

It is an arithmetic number, because the mean of its divisors is an integer number (27049750).

Almost surely, 2^378813276 is an apocalyptic number.

378813276 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

378813276 is an abundant number, since it is smaller than the sum of its proper divisors (594977724).

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

378813276 is a wasteful number, since it uses less digits than its factorization.

378813276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178418 (or 178413 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 378813276 is about 19463.1260592948. The cubic root of 378813276 is about 723.5608556537.

The spelling of 378813276 in words is "three hundred seventy-eight million, eight hundred thirteen thousand, two hundred seventy-six".