82807 has 4 divisors (see below), whose sum is σ = 87696. Its totient is φ = 77920.

The previous prime is 82799. The next prime is 82811. The reversal of 82807 is 70828.

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 82807 - 2³ = 82799 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82837) 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, 2419 + ... + 2452.

It is an arithmetic number, because the mean of its divisors is an integer number (21924).

2⁸²⁸⁰⁷ is an apocalyptic number.

82807 is a deficient number, since it is larger than the sum of its proper divisors (4889).

82807 is a wasteful number, since it uses less digits than its factorization.

82807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 82807 is about 287.7620544825. The cubic root of 82807 is about 43.5868700469.

The spelling of 82807 in words is "eighty-two thousand, eight hundred seven".