82860171 has 8 divisors (see below), whose sum is σ = 111091344. Its totient is φ = 54934560.

The previous prime is 82860149. The next prime is 82860199. The reversal of 82860171 is 17106828.

It is a happy number.

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

It is not a de Polignac number, because 82860171 - 2¹⁷ = 82729099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82868171) 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, 75756 + ... + 76841.

It is an arithmetic number, because the mean of its divisors is an integer number (13886418).

Almost surely, 2^82860171 is an apocalyptic number.

82860171 is a deficient number, since it is larger than the sum of its proper divisors (28231173).

82860171 is a wasteful number, since it uses less digits than its factorization.

82860171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152781.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 82860171 is about 9102.7562309446. The cubic root of 82860171 is about 435.9619720361.

Adding to 82860171 its reverse (17106828), we get a palindrome (99966999).

The spelling of 82860171 in words is "eighty-two million, eight hundred sixty thousand, one hundred seventy-one".