84179 has 2 divisors, whose sum is σ = 84180. Its totient is φ = 84178.

The previous prime is 84163. The next prime is 84181. The reversal of 84179 is 97148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84179 - 2⁴ = 84163 is a prime.

It is a super-2 number, since 2×84179² = 14172208082, which contains 22 as substring.

Together with 84181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84199) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42089 + 42090.

It is an arithmetic number, because the mean of its divisors is an integer number (42090).

2⁸⁴¹⁷⁹ is an apocalyptic number.

84179 is a deficient number, since it is larger than the sum of its proper divisors (1).

84179 is an equidigital number, since it uses as much as digits as its factorization.

84179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 84179 is about 290.1361749248. The cubic root of 84179 is about 43.8262778172.

The spelling of 84179 in words is "eighty-four thousand, one hundred seventy-nine".