85168574426808 has 48 divisors (see below), whose sum is σ = 230691891193920. Its totient is φ = 28386201470976.

The previous prime is 85168574426807. The next prime is 85168574426827. The reversal of 85168574426808 is 80862447586158.

It is a happy number.

85168574426808 is a `hidden beast` number, since 8 + 5 + 1 + 6 + 8 + 574 + 42 + 6 + 8 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85168574426807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68616841 + ... + 69847032.

It is an arithmetic number, because the mean of its divisors is an integer number (4806081066540).

Almost surely, 2^{85168574426808} is an apocalyptic number.

It is an amenable number.

85168574426808 is an abundant number, since it is smaller than the sum of its proper divisors (145523316767112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85168574426808 is a wasteful number, since it uses less digits than its factorization.

85168574426808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138472428 (or 138472421 counting only the distinct ones).

The product of its (nonzero) digits is 825753600, while the sum is 72.

The spelling of 85168574426808 in words is "eighty-five trillion, one hundred sixty-eight billion, five hundred seventy-four million, four hundred twenty-six thousand, eight hundred eight".