82196287 has 2 divisors, whose sum is σ = 82196288. Its totient is φ = 82196286.

The previous prime is 82196243. The next prime is 82196293. The reversal of 82196287 is 78269128.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82196287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82190287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41098143 + 41098144.

It is an arithmetic number, because the mean of its divisors is an integer number (41098144).

Almost surely, 2^82196287 is an apocalyptic number.

82196287 is a deficient number, since it is larger than the sum of its proper divisors (1).

82196287 is an equidigital number, since it uses as much as digits as its factorization.

82196287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 82196287 is about 9066.2167964372. The cubic root of 82196287 is about 434.7945248805.

The spelling of 82196287 in words is "eighty-two million, one hundred ninety-six thousand, two hundred eighty-seven".