159797576426237 has 2 divisors, whose sum is σ = 159797576426238. Its totient is φ = 159797576426236.

The previous prime is 159797576426197. The next prime is 159797576426273. The reversal of 159797576426237 is 732624675797951.

Together with next prime (159797576426273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133467326473636 + 26330249952601 = 11552806^2 + 5131301^2 .

It is an emirp because it is prime and its reverse (732624675797951) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159797576426237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159797576426437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79898788213118 + 79898788213119.

It is an arithmetic number, because the mean of its divisors is an integer number (79898788213119).

Almost surely, 2^{159797576426237} is an apocalyptic number.

It is an amenable number.

159797576426237 is a deficient number, since it is larger than the sum of its proper divisors (1).

159797576426237 is an equidigital number, since it uses as much as digits as its factorization.

159797576426237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8401579200, while the sum is 80.

The spelling of 159797576426237 in words is "one hundred fifty-nine trillion, seven hundred ninety-seven billion, five hundred seventy-six million, four hundred twenty-six thousand, two hundred thirty-seven".