85597826833 has 2 divisors, whose sum is σ = 85597826834. Its totient is φ = 85597826832.

The previous prime is 85597826773. The next prime is 85597826849. The reversal of 85597826833 is 33862879558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83250715024 + 2347111809 = 288532^2 + 48447^2 .

It is a cyclic number.

It is not a de Polignac number, because 85597826833 - 2²⁹ = 85060955921 is a prime.

It is not a weakly prime, because it can be changed into another prime (85597826863) 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, 42798913416 + 42798913417.

It is an arithmetic number, because the mean of its divisors is an integer number (42798913417).

Almost surely, 2^85597826833 is an apocalyptic number.

It is an amenable number.

85597826833 is a deficient number, since it is larger than the sum of its proper divisors (1).

85597826833 is an equidigital number, since it uses as much as digits as its factorization.

85597826833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 64.

The spelling of 85597826833 in words is "eighty-five billion, five hundred ninety-seven million, eight hundred twenty-six thousand, eight hundred thirty-three".