378915427 has 8 divisors (see below), whose sum is σ = 419185152. Its totient is φ = 339616200.

The previous prime is 378915419. The next prime is 378915443. The reversal of 378915427 is 724519873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378915427 - 2³ = 378915419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378915487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241803 + ... + 243364.

It is an arithmetic number, because the mean of its divisors is an integer number (52398144).

Almost surely, 2^378915427 is an apocalyptic number.

378915427 is a deficient number, since it is larger than the sum of its proper divisors (40269725).

378915427 is a wasteful number, since it uses less digits than its factorization.

378915427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485249.

The product of its digits is 423360, while the sum is 46.

The square root of 378915427 is about 19465.7501011392. The cubic root of 378915427 is about 723.6258884169.

The spelling of 378915427 in words is "three hundred seventy-eight million, nine hundred fifteen thousand, four hundred twenty-seven".