378812395 has 16 divisors (see below), whose sum is σ = 490865760. Its totient is φ = 278982144.

The previous prime is 378812389. The next prime is 378812417. The reversal of 378812395 is 593218873.

It is a cyclic number.

It is not a de Polignac number, because 378812395 - 2¹⁷ = 378681323 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16947 + ... + 32323.

It is an arithmetic number, because the mean of its divisors is an integer number (30679110).

Almost surely, 2^378812395 is an apocalyptic number.

378812395 is a deficient number, since it is larger than the sum of its proper divisors (112053365).

378812395 is a wasteful number, since it uses less digits than its factorization.

378812395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15774.

The product of its digits is 362880, while the sum is 46.

The square root of 378812395 is about 19463.1034267406. The cubic root of 378812395 is about 723.5602947286.

The spelling of 378812395 in words is "three hundred seventy-eight million, eight hundred twelve thousand, three hundred ninety-five".