86171713897 has 8 divisors (see below), whose sum is σ = 90713036160. Its totient is φ = 81630988560.

The previous prime is 86171713889. The next prime is 86171713909. The reversal of 86171713897 is 79831717168.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86171713897 - 2³ = 86171713889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86171713847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163968 + ... + 446350.

It is an arithmetic number, because the mean of its divisors is an integer number (11339129520).

Almost surely, 2^86171713897 is an apocalyptic number.

It is an amenable number.

86171713897 is a deficient number, since it is larger than the sum of its proper divisors (4541322263).

86171713897 is a wasteful number, since it uses less digits than its factorization.

86171713897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298463.

The product of its digits is 3556224, while the sum is 58.

The spelling of 86171713897 in words is "eighty-six billion, one hundred seventy-one million, seven hundred thirteen thousand, eight hundred ninety-seven".