159912079447 has 2 divisors, whose sum is σ = 159912079448. Its totient is φ = 159912079446.

The previous prime is 159912079409. The next prime is 159912079499. The reversal of 159912079447 is 744970219951.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159912079447 - 2²³ = 159903690839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159912079391 and 159912079400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159912019447) 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, 79956039723 + 79956039724.

It is an arithmetic number, because the mean of its divisors is an integer number (79956039724).

Almost surely, 2^159912079447 is an apocalyptic number.

159912079447 is a deficient number, since it is larger than the sum of its proper divisors (1).

159912079447 is an equidigital number, since it uses as much as digits as its factorization.

159912079447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 159912079447 in words is "one hundred fifty-nine billion, nine hundred twelve million, seventy-nine thousand, four hundred forty-seven".