85597826773 has 2 divisors, whose sum is σ = 85597826774. Its totient is φ = 85597826772.

The previous prime is 85597826761. The next prime is 85597826833. The reversal of 85597826773 is 37762879558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58882904964 + 26714921809 = 242658^2 + 163447^2 .

It is a cyclic number.

It is not a de Polignac number, because 85597826773 - 2⁹ = 85597826261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85597826699 and 85597826708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85597826273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42798913386 + 42798913387.

It is an arithmetic number, because the mean of its divisors is an integer number (42798913387).

Almost surely, 2^85597826773 is an apocalyptic number.

It is an amenable number.

85597826773 is a deficient number, since it is larger than the sum of its proper divisors (1).

85597826773 is an equidigital number, since it uses as much as digits as its factorization.

85597826773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 177811200, while the sum is 67.

The spelling of 85597826773 in words is "eighty-five billion, five hundred ninety-seven million, eight hundred twenty-six thousand, seven hundred seventy-three".