82108318199 has 2 divisors, whose sum is σ = 82108318200. Its totient is φ = 82108318198.

The previous prime is 82108318147. The next prime is 82108318321. The reversal of 82108318199 is 99181380128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82108318199 - 2²⁰ = 82107269623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82108318109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41054159099 + 41054159100.

It is an arithmetic number, because the mean of its divisors is an integer number (41054159100).

Almost surely, 2^82108318199 is an apocalyptic number.

82108318199 is a deficient number, since it is larger than the sum of its proper divisors (1).

82108318199 is an equidigital number, since it uses as much as digits as its factorization.

82108318199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 50.

The spelling of 82108318199 in words is "eighty-two billion, one hundred eight million, three hundred eighteen thousand, one hundred ninety-nine".