82058239 has 4 divisors (see below), whose sum is σ = 82143720. Its totient is φ = 81972760.

The previous prime is 82058231. The next prime is 82058279. The reversal of 82058239 is 93285028.

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 82058239 - 2³ = 82058231 is a prime.

It is a super-2 number, since 2×82058239² = 13467109175562242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82058198 and 82058207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82058231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41284 + ... + 43225.

It is an arithmetic number, because the mean of its divisors is an integer number (20535930).

Almost surely, 2^82058239 is an apocalyptic number.

82058239 is a deficient number, since it is larger than the sum of its proper divisors (85481).

82058239 is an equidigital number, since it uses as much as digits as its factorization.

82058239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85480.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 82058239 is about 9058.6002781887. The cubic root of 82058239 is about 434.5509771868.

The spelling of 82058239 in words is "eighty-two million, fifty-eight thousand, two hundred thirty-nine".