84191683 has 2 divisors, whose sum is σ = 84191684. Its totient is φ = 84191682.

The previous prime is 84191677. The next prime is 84191741. The reversal of 84191683 is 38619148.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84191683 is a prime.

It is not a weakly prime, because it can be changed into another prime (84191183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42095841 + 42095842.

It is an arithmetic number, because the mean of its divisors is an integer number (42095842).

Almost surely, 2^84191683 is an apocalyptic number.

84191683 is a deficient number, since it is larger than the sum of its proper divisors (1).

84191683 is an equidigital number, since it uses as much as digits as its factorization.

84191683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 84191683 is about 9175.6025960152. The cubic root of 84191683 is about 438.2847876508.

The spelling of 84191683 in words is "eighty-four million, one hundred ninety-one thousand, six hundred eighty-three".