82117083 has 4 divisors (see below), whose sum is σ = 109489448. Its totient is φ = 54744720.

The previous prime is 82117081. The next prime is 82117093. The reversal of 82117083 is 38071128.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82117083 - 2¹ = 82117081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82117083.

It is not an unprimeable number, because it can be changed into a prime (82117081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13686178 + ... + 13686183.

It is an arithmetic number, because the mean of its divisors is an integer number (27372362).

Almost surely, 2^82117083 is an apocalyptic number.

82117083 is a deficient number, since it is larger than the sum of its proper divisors (27372365).

82117083 is a wasteful number, since it uses less digits than its factorization.

82117083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27372364.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 82117083 is about 9061.8476592801. The cubic root of 82117083 is about 434.6548246013.

The spelling of 82117083 in words is "eighty-two million, one hundred seventeen thousand, eighty-three".