85858168317 has 4 divisors (see below), whose sum is σ = 114477557760. Its totient is φ = 57238778876.

The previous prime is 85858168289. The next prime is 85858168339. The reversal of 85858168317 is 71386185858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85858168317 - 2⁷ = 85858168189 is a prime.

It is a super-2 number, since 2×85858168317² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85858168397) 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, 14309694717 + ... + 14309694722.

It is an arithmetic number, because the mean of its divisors is an integer number (28619389440).

Almost surely, 2^85858168317 is an apocalyptic number.

It is an amenable number.

85858168317 is a deficient number, since it is larger than the sum of its proper divisors (28619389443).

85858168317 is a wasteful number, since it uses less digits than its factorization.

85858168317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28619389442.

The product of its digits is 12902400, while the sum is 60.

The spelling of 85858168317 in words is "eighty-five billion, eight hundred fifty-eight million, one hundred sixty-eight thousand, three hundred seventeen".