159188879 has 2 divisors, whose sum is σ = 159188880. Its totient is φ = 159188878.

The previous prime is 159188831. The next prime is 159188893. The reversal of 159188879 is 978881951.

It is a strong prime.

It is an emirp because it is prime and its reverse (978881951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159188879 - 2²⁰ = 158140303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159188899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79594439 + 79594440.

It is an arithmetic number, because the mean of its divisors is an integer number (79594440).

Almost surely, 2^159188879 is an apocalyptic number.

159188879 is a deficient number, since it is larger than the sum of its proper divisors (1).

159188879 is an equidigital number, since it uses as much as digits as its factorization.

159188879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 56.

The square root of 159188879 is about 12617.0075295214. The cubic root of 159188879 is about 541.9645849056.

The spelling of 159188879 in words is "one hundred fifty-nine million, one hundred eighty-eight thousand, eight hundred seventy-nine".