79927 has 4 divisors (see below), whose sum is σ = 80496. Its totient is φ = 79360.

The previous prime is 79907. The next prime is 79939. The reversal of 79927 is 72997.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79892 and 79901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79907) 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, 102 + ... + 412.

It is an arithmetic number, because the mean of its divisors is an integer number (20124).

2⁷⁹⁹²⁷ is an apocalyptic number.

79927 is a deficient number, since it is larger than the sum of its proper divisors (569).

79927 is a wasteful number, since it uses less digits than its factorization.

79927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 7938, while the sum is 34.

The square root of 79927 is about 282.7136360348. The cubic root of 79927 is about 43.0755836678.

The spelling of 79927 in words is "seventy-nine thousand, nine hundred twenty-seven".