79739159 has 4 divisors (see below), whose sum is σ = 80027304. Its totient is φ = 79451016.

The previous prime is 79739147. The next prime is 79739207. The reversal of 79739159 is 95193797.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79739159 - 2¹² = 79735063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79730159) 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, 143657 + ... + 144210.

It is an arithmetic number, because the mean of its divisors is an integer number (20006826).

Almost surely, 2^79739159 is an apocalyptic number.

79739159 is a deficient number, since it is larger than the sum of its proper divisors (288145).

79739159 is a wasteful number, since it uses less digits than its factorization.

79739159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288144.

The product of its digits is 535815, while the sum is 50.

The square root of 79739159 is about 8929.6785496456. The cubic root of 79739159 is about 430.4181240295.

The spelling of 79739159 in words is "seventy-nine million, seven hundred thirty-nine thousand, one hundred fifty-nine".