159378559 has 2 divisors, whose sum is σ = 159378560. Its totient is φ = 159378558.

The previous prime is 159378547. The next prime is 159378581. The reversal of 159378559 is 955873951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159378559 - 2¹⁹ = 158854271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159378259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79689279 + 79689280.

It is an arithmetic number, because the mean of its divisors is an integer number (79689280).

Almost surely, 2^159378559 is an apocalyptic number.

159378559 is a deficient number, since it is larger than the sum of its proper divisors (1).

159378559 is an equidigital number, since it uses as much as digits as its factorization.

159378559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701000, while the sum is 52.

The square root of 159378559 is about 12624.5221295699. The cubic root of 159378559 is about 542.1797570543.

The spelling of 159378559 in words is "one hundred fifty-nine million, three hundred seventy-eight thousand, five hundred fifty-nine".