378267079 has 2 divisors, whose sum is σ = 378267080. Its totient is φ = 378267078.

The previous prime is 378267011. The next prime is 378267083. The reversal of 378267079 is 970762873.

It is a strong prime.

It is an emirp because it is prime and its reverse (970762873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378267079 - 2¹¹ = 378265031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378267179) by changing a digit.

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 as a sum of consecutive naturals, namely, 189133539 + 189133540.

It is an arithmetic number, because the mean of its divisors is an integer number (189133540).

Almost surely, 2^378267079 is an apocalyptic number.

378267079 is a deficient number, since it is larger than the sum of its proper divisors (1).

378267079 is an equidigital number, since it uses as much as digits as its factorization.

378267079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 378267079 is about 19449.0894131319. The cubic root of 378267079 is about 723.2129297398.

The spelling of 378267079 in words is "three hundred seventy-eight million, two hundred sixty-seven thousand, seventy-nine".