83082809 has 4 divisors (see below), whose sum is σ = 83141520. Its totient is φ = 83024100.

The previous prime is 83082773. The next prime is 83082823. The reversal of 83082809 is 90828038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83082809 - 2²⁰ = 82034233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83082889) 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, 27179 + ... + 30080.

It is an arithmetic number, because the mean of its divisors is an integer number (20785380).

Almost surely, 2^83082809 is an apocalyptic number.

It is an amenable number.

83082809 is a deficient number, since it is larger than the sum of its proper divisors (58711).

83082809 is a wasteful number, since it uses less digits than its factorization.

83082809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58710.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 83082809 is about 9114.9771804432. The cubic root of 83082809 is about 436.3520866827.

The spelling of 83082809 in words is "eighty-three million, eighty-two thousand, eight hundred nine".