82099907 has 2 divisors, whose sum is σ = 82099908. Its totient is φ = 82099906.

The previous prime is 82099891. The next prime is 82099973. The reversal of 82099907 is 70999028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82099907 - 2⁴ = 82099891 is a prime.

It is a Chen prime.

It is equal to p_4784948 and since 82099907 and 4784948 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (82090907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41049953 + 41049954.

It is an arithmetic number, because the mean of its divisors is an integer number (41049954).

Almost surely, 2^82099907 is an apocalyptic number.

82099907 is a deficient number, since it is larger than the sum of its proper divisors (1).

82099907 is an equidigital number, since it uses as much as digits as its factorization.

82099907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 82099907 is about 9060.8999001203. The cubic root of 82099907 is about 434.6245176640.

The spelling of 82099907 in words is "eighty-two million, ninety-nine thousand, nine hundred seven".