159791479 has 4 divisors (see below), whose sum is σ = 165301560. Its totient is φ = 154281400.

The previous prime is 159791459. The next prime is 159791509. The reversal of 159791479 is 974197951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974197951 = 751 ⋅1297201.

It is a cyclic number.

It is not a de Polignac number, because 159791479 - 2⁵ = 159791447 is a prime.

It is a super-2 number, since 2×159791479² = 51066633522014882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159791459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754997 + ... + 2755054.

It is an arithmetic number, because the mean of its divisors is an integer number (41325390).

Almost surely, 2^159791479 is an apocalyptic number.

159791479 is a deficient number, since it is larger than the sum of its proper divisors (5510081).

159791479 is an equidigital number, since it uses as much as digits as its factorization.

159791479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510080.

The product of its digits is 714420, while the sum is 52.

The square root of 159791479 is about 12640.8654371447. The cubic root of 159791479 is about 542.6475820104.

The spelling of 159791479 in words is "one hundred fifty-nine million, seven hundred ninety-one thousand, four hundred seventy-nine".