85773175171 has 4 divisors (see below), whose sum is σ = 85804585144. Its totient is φ = 85741765200.

The previous prime is 85773175153. The next prime is 85773175177. The reversal of 85773175171 is 17157137758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17157137758 = 2 ⋅8578568879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85773175171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85773175177) 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, 15700890 + ... + 15706351.

It is an arithmetic number, because the mean of its divisors is an integer number (21451146286).

Almost surely, 2^85773175171 is an apocalyptic number.

85773175171 is a deficient number, since it is larger than the sum of its proper divisors (31409973).

85773175171 is a wasteful number, since it uses less digits than its factorization.

85773175171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409972.

The product of its digits is 1440600, while the sum is 52.

The spelling of 85773175171 in words is "eighty-five billion, seven hundred seventy-three million, one hundred seventy-five thousand, one hundred seventy-one".