82115 has 8 divisors (see below), whose sum is σ = 107568. Its totient is φ = 59680.

The previous prime is 82073. The next prime is 82129. The reversal of 82115 is 51128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82115 - 2⁶ = 82051 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 82093 and 82102.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 82115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692 + ... + 801.

It is an arithmetic number, because the mean of its divisors is an integer number (13446).

2⁸²¹¹⁵ is an apocalyptic number.

82115 is a deficient number, since it is larger than the sum of its proper divisors (25453).

82115 is a wasteful number, since it uses less digits than its factorization.

82115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its digits is 80, while the sum is 17.

The square root of 82115 is about 286.5571496229. The cubic root of 82115 is about 43.4651149387.

The spelling of 82115 in words is "eighty-two thousand, one hundred fifteen".