85676823171 has 32 divisors (see below), whose sum is σ = 129097344000. Its totient is φ = 56148285024.

The previous prime is 85676823163. The next prime is 85676823173. The reversal of 85676823171 is 17132867658.

It is a happy number.

85676823171 is a `hidden beast` number, since 8 + 567 + 6 + 8 + 2 + 3 + 1 + 71 = 666.

It is not a de Polignac number, because 85676823171 - 2³ = 85676823163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85676823173) 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 in 31 ways as a sum of consecutive naturals, for example, 400756 + ... + 576158.

It is an arithmetic number, because the mean of its divisors is an integer number (4034292000).

Almost surely, 2^85676823171 is an apocalyptic number.

85676823171 is a deficient number, since it is larger than the sum of its proper divisors (43420520829).

85676823171 is a wasteful number, since it uses less digits than its factorization.

85676823171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175720 (or 175714 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 85676823171 in words is "eighty-five billion, six hundred seventy-six million, eight hundred twenty-three thousand, one hundred seventy-one".