82665434573803 has 2 divisors, whose sum is σ = 82665434573804. Its totient is φ = 82665434573802.

The previous prime is 82665434573801. The next prime is 82665434573809. The reversal of 82665434573803 is 30837543456628.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82665434573803 - 2¹ = 82665434573801 is a prime.

Together with 82665434573801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82665434573801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41332717286901 + 41332717286902.

It is an arithmetic number, because the mean of its divisors is an integer number (41332717286902).

Almost surely, 2^{82665434573803} is an apocalyptic number.

82665434573803 is a deficient number, since it is larger than the sum of its proper divisors (1).

82665434573803 is an equidigital number, since it uses as much as digits as its factorization.

82665434573803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 348364800, while the sum is 64.

The spelling of 82665434573803 in words is "eighty-two trillion, six hundred sixty-five billion, four hundred thirty-four million, five hundred seventy-three thousand, eight hundred three".