82006999 has 2 divisors, whose sum is σ = 82007000. Its totient is φ = 82006998.

The previous prime is 82006993. The next prime is 82007027. The reversal of 82006999 is 99960028.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82006999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82006993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41003499 + 41003500.

It is an arithmetic number, because the mean of its divisors is an integer number (41003500).

Almost surely, 2^82006999 is an apocalyptic number.

82006999 is a deficient number, since it is larger than the sum of its proper divisors (1).

82006999 is an equidigital number, since it uses as much as digits as its factorization.

82006999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 82006999 is about 9055.7715850169. The cubic root of 82006999 is about 434.4605088048.

The spelling of 82006999 in words is "eighty-two million, six thousand, nine hundred ninety-nine".