86585829793 has 2 divisors, whose sum is σ = 86585829794. Its totient is φ = 86585829792.

The previous prime is 86585829791. The next prime is 86585829809. The reversal of 86585829793 is 39792858568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81414350224 + 5171479569 = 285332^2 + 71913^2 .

It is a cyclic number.

It is not a de Polignac number, because 86585829793 - 2¹ = 86585829791 is a prime.

Together with 86585829791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86585829791) 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, 43292914896 + 43292914897.

It is an arithmetic number, because the mean of its divisors is an integer number (43292914897).

Almost surely, 2^86585829793 is an apocalyptic number.

It is an amenable number.

86585829793 is a deficient number, since it is larger than the sum of its proper divisors (1).

86585829793 is an equidigital number, since it uses as much as digits as its factorization.

86585829793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261273600, while the sum is 70.

The spelling of 86585829793 in words is "eighty-six billion, five hundred eighty-five million, eight hundred twenty-nine thousand, seven hundred ninety-three".