82686363599 has 4 divisors (see below), whose sum is σ = 94498701264. Its totient is φ = 70874025936.

The previous prime is 82686363589. The next prime is 82686363611. The reversal of 82686363599 is 99536368628.

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

It is not a de Polignac number, because 82686363599 - 2²⁰ = 82685315023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82686363589) 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, 5906168822 + ... + 5906168835.

It is an arithmetic number, because the mean of its divisors is an integer number (23624675316).

Almost surely, 2^82686363599 is an apocalyptic number.

82686363599 is a deficient number, since it is larger than the sum of its proper divisors (11812337665).

82686363599 is a wasteful number, since it uses less digits than its factorization.

82686363599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812337664.

The product of its digits is 100776960, while the sum is 65.

The spelling of 82686363599 in words is "eighty-two billion, six hundred eighty-six million, three hundred sixty-three thousand, five hundred ninety-nine".