86205965171 has 8 divisors (see below), whose sum is σ = 87302476800. Its totient is φ = 85109586120.

The previous prime is 86205965161. The next prime is 86205965173. The reversal of 86205965171 is 17156950268.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86205965171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86205965173) 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, 2425910 + ... + 2461188.

It is an arithmetic number, because the mean of its divisors is an integer number (10912809600).

Almost surely, 2^86205965171 is an apocalyptic number.

86205965171 is a deficient number, since it is larger than the sum of its proper divisors (1096511629).

86205965171 is a wasteful number, since it uses less digits than its factorization.

86205965171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66289.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 86205965171 in words is "eighty-six billion, two hundred five million, nine hundred sixty-five thousand, one hundred seventy-one".