79829 has 2 divisors, whose sum is σ = 79830. Its totient is φ = 79828.

The previous prime is 79823. The next prime is 79841. The reversal of 79829 is 92897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 9604 = 265^2 + 98^2 .

It is a cyclic number.

It is not a de Polignac number, because 79829 - 2⁴ = 79813 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39914 + 39915.

It is an arithmetic number, because the mean of its divisors is an integer number (39915).

2⁷⁹⁸²⁹ is an apocalyptic number.

It is an amenable number.

79829 is a deficient number, since it is larger than the sum of its proper divisors (1).

79829 is an equidigital number, since it uses as much as digits as its factorization.

79829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 79829 is about 282.5402626176. The cubic root of 79829 is about 43.0579712060.

The spelling of 79829 in words is "seventy-nine thousand, eight hundred twenty-nine".