79711 has 4 divisors (see below), whose sum is σ = 80800. Its totient is φ = 78624.

The previous prime is 79699. The next prime is 79757. The reversal of 79711 is 11797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11797 = 47 ⋅251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79711 is a prime.

It is an Ulam number.

It is a Duffinian number.

79711 is a modest number, since divided by 711 gives 79 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79111) 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, 426 + ... + 583.

It is an arithmetic number, because the mean of its divisors is an integer number (20200).

2⁷⁹⁷¹¹ is an apocalyptic number.

79711 is a deficient number, since it is larger than the sum of its proper divisors (1089).

79711 is a wasteful number, since it uses less digits than its factorization.

79711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its digits is 441, while the sum is 25.

The square root of 79711 is about 282.3313655972. The cubic root of 79711 is about 43.0367452268.

It can be divided in two parts, 797 and 11, that added together give a palindrome (808).

The spelling of 79711 in words is "seventy-nine thousand, seven hundred eleven".