82842363991 has 2 divisors, whose sum is σ = 82842363992. Its totient is φ = 82842363990.

The previous prime is 82842363973. The next prime is 82842364043. The reversal of 82842363991 is 19936324828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82842363991 - 2⁵ = 82842363959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82842363911) 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, 41421181995 + 41421181996.

It is an arithmetic number, because the mean of its divisors is an integer number (41421181996).

Almost surely, 2^82842363991 is an apocalyptic number.

82842363991 is a deficient number, since it is larger than the sum of its proper divisors (1).

82842363991 is an equidigital number, since it uses as much as digits as its factorization.

82842363991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 55.

The spelling of 82842363991 in words is "eighty-two billion, eight hundred forty-two million, three hundred sixty-three thousand, nine hundred ninety-one".