85771960033 has 4 divisors (see below), whose sum is σ = 85787799300. Its totient is φ = 85756120768.

The previous prime is 85771960031. The next prime is 85771960133. The reversal of 85771960033 is 33006917758.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43244034304 + 42527925729 = 207952^2 + 206223^2 .

It is a cyclic number.

It is not a de Polignac number, because 85771960033 - 2¹ = 85771960031 is a prime.

It is a super-2 number, since 2×85771960033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85771960031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7911508 + ... + 7922341.

It is an arithmetic number, because the mean of its divisors is an integer number (21446949825).

Almost surely, 2^85771960033 is an apocalyptic number.

It is an amenable number.

85771960033 is a deficient number, since it is larger than the sum of its proper divisors (15839267).

85771960033 is a wasteful number, since it uses less digits than its factorization.

85771960033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15839266.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 85771960033 in words is "eighty-five billion, seven hundred seventy-one million, nine hundred sixty thousand, thirty-three".