82860199 has 2 divisors, whose sum is σ = 82860200. Its totient is φ = 82860198.

The previous prime is 82860149. The next prime is 82860209. The reversal of 82860199 is 99106828.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82860199 - 2¹¹ = 82858151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82860109) 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 as a sum of consecutive naturals, namely, 41430099 + 41430100.

It is an arithmetic number, because the mean of its divisors is an integer number (41430100).

Almost surely, 2^82860199 is an apocalyptic number.

82860199 is a deficient number, since it is larger than the sum of its proper divisors (1).

82860199 is an equidigital number, since it uses as much as digits as its factorization.

82860199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 82860199 is about 9102.7577689401. The cubic root of 82860199 is about 435.9620211427.

The spelling of 82860199 in words is "eighty-two million, eight hundred sixty thousand, one hundred ninety-nine".