85233895133 has 2 divisors, whose sum is σ = 85233895134. Its totient is φ = 85233895132.

The previous prime is 85233895079. The next prime is 85233895171. The reversal of 85233895133 is 33159833258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72316890724 + 12917004409 = 268918^2 + 113653^2 .

It is a cyclic number.

It is not a de Polignac number, because 85233895133 - 2⁶ = 85233895069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85233898133) 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, 42616947566 + 42616947567.

It is an arithmetic number, because the mean of its divisors is an integer number (42616947567).

Almost surely, 2^85233895133 is an apocalyptic number.

It is an amenable number.

85233895133 is a deficient number, since it is larger than the sum of its proper divisors (1).

85233895133 is an equidigital number, since it uses as much as digits as its factorization.

85233895133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 50.

The spelling of 85233895133 in words is "eighty-five billion, two hundred thirty-three million, eight hundred ninety-five thousand, one hundred thirty-three".