82246020191 has 2 divisors, whose sum is σ = 82246020192. Its totient is φ = 82246020190.

The previous prime is 82246020151. The next prime is 82246020209. The reversal of 82246020191 is 19102064228.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82246020191 - 2⁶ = 82246020127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82246020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41123010095 + 41123010096.

It is an arithmetic number, because the mean of its divisors is an integer number (41123010096).

Almost surely, 2^82246020191 is an apocalyptic number.

82246020191 is a deficient number, since it is larger than the sum of its proper divisors (1).

82246020191 is an equidigital number, since it uses as much as digits as its factorization.

82246020191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 82246020191 in words is "eighty-two billion, two hundred forty-six million, twenty thousand, one hundred ninety-one".