82390009327 has 2 divisors, whose sum is σ = 82390009328. Its totient is φ = 82390009326.

The previous prime is 82390009321. The next prime is 82390009349. The reversal of 82390009327 is 72390009328.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82390009327 - 2²³ = 82381620719 is a prime.

It is a super-2 number, since 2×82390009327² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82390009321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41195004663 + 41195004664.

It is an arithmetic number, because the mean of its divisors is an integer number (41195004664).

Almost surely, 2^82390009327 is an apocalyptic number.

82390009327 is a deficient number, since it is larger than the sum of its proper divisors (1).

82390009327 is an equidigital number, since it uses as much as digits as its factorization.

82390009327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

Subtracting from 82390009327 its reverse (72390009328), we obtain a palindrome (9999999999).

The spelling of 82390009327 in words is "eighty-two billion, three hundred ninety million, nine thousand, three hundred twenty-seven".