159742289879 has 32 divisors (see below), whose sum is σ = 181299617280. Its totient is φ = 139849500672.

The previous prime is 159742289849. The next prime is 159742289899. The reversal of 159742289879 is 978982247951.

It is a de Polignac number, because none of the positive numbers 2^k-159742289879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159742289849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3884942 + ... + 3925844.

It is an arithmetic number, because the mean of its divisors is an integer number (5665613040).

Almost surely, 2^159742289879 is an apocalyptic number.

159742289879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

159742289879 is a deficient number, since it is larger than the sum of its proper divisors (21557327401).

159742289879 is a wasteful number, since it uses less digits than its factorization.

159742289879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41159.

The product of its digits is 182891520, while the sum is 71.

The spelling of 159742289879 in words is "one hundred fifty-nine billion, seven hundred forty-two million, two hundred eighty-nine thousand, eight hundred seventy-nine".