82991092823 has 2 divisors, whose sum is σ = 82991092824. Its totient is φ = 82991092822.

The previous prime is 82991092783. The next prime is 82991092843. The reversal of 82991092823 is 32829019928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82991092823 - 2¹⁸ = 82990830679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82991092843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41495546411 + 41495546412.

It is an arithmetic number, because the mean of its divisors is an integer number (41495546412).

Almost surely, 2^82991092823 is an apocalyptic number.

82991092823 is a deficient number, since it is larger than the sum of its proper divisors (1).

82991092823 is an equidigital number, since it uses as much as digits as its factorization.

82991092823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 82991092823 in words is "eighty-two billion, nine hundred ninety-one million, ninety-two thousand, eight hundred twenty-three".