82133399 has 2 divisors, whose sum is σ = 82133400. Its totient is φ = 82133398.

The previous prime is 82133351. The next prime is 82133407. The reversal of 82133399 is 99333128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82133399 - 2¹⁶ = 82067863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82133329) 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, 41066699 + 41066700.

It is an arithmetic number, because the mean of its divisors is an integer number (41066700).

Almost surely, 2^82133399 is an apocalyptic number.

82133399 is a deficient number, since it is larger than the sum of its proper divisors (1).

82133399 is an equidigital number, since it uses as much as digits as its factorization.

82133399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 82133399 is about 9062.7478724722. The cubic root of 82133399 is about 434.6836101605.

The spelling of 82133399 in words is "eighty-two million, one hundred thirty-three thousand, three hundred ninety-nine".