378348559 has 2 divisors, whose sum is σ = 378348560. Its totient is φ = 378348558.

The previous prime is 378348527. The next prime is 378348589. The reversal of 378348559 is 955843873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378348559 - 2⁵ = 378348527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378348589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189174279 + 189174280.

It is an arithmetic number, because the mean of its divisors is an integer number (189174280).

Almost surely, 2^378348559 is an apocalyptic number.

378348559 is a deficient number, since it is larger than the sum of its proper divisors (1).

378348559 is an equidigital number, since it uses as much as digits as its factorization.

378348559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The square root of 378348559 is about 19451.1839999523. The cubic root of 378348559 is about 723.2648535103.

The spelling of 378348559 in words is "three hundred seventy-eight million, three hundred forty-eight thousand, five hundred fifty-nine".