82366635853 has 2 divisors, whose sum is σ = 82366635854. Its totient is φ = 82366635852.

The previous prime is 82366635851. The next prime is 82366635889. The reversal of 82366635853 is 35853666328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69675937444 + 12690698409 = 263962^2 + 112653^2 .

It is a cyclic number.

It is not a de Polignac number, because 82366635853 - 2¹ = 82366635851 is a prime.

Together with 82366635851, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 82366635794 and 82366635803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82366635851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41183317926 + 41183317927.

It is an arithmetic number, because the mean of its divisors is an integer number (41183317927).

Almost surely, 2^82366635853 is an apocalyptic number.

It is an amenable number.

82366635853 is a deficient number, since it is larger than the sum of its proper divisors (1).

82366635853 is an equidigital number, since it uses as much as digits as its factorization.

82366635853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 55.

The spelling of 82366635853 in words is "eighty-two billion, three hundred sixty-six million, six hundred thirty-five thousand, eight hundred fifty-three".