86871 has 8 divisors (see below), whose sum is σ = 120960. Its totient is φ = 55352.

The previous prime is 86869. The next prime is 86923. The reversal of 86871 is 17868.

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 86871 - 2¹ = 86869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86851) 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, 561 + ... + 698.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2⁸⁶⁸⁷¹ is an apocalyptic number.

86871 is a deficient number, since it is larger than the sum of its proper divisors (34089).

86871 is a wasteful number, since it uses less digits than its factorization.

86871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its digits is 2688, while the sum is 30.

The square root of 86871 is about 294.7388674742. The cubic root of 86871 is about 44.2885648034.

It can be divided in two parts, 868 and 71, that added together give a palindrome (939).

The spelling of 86871 in words is "eighty-six thousand, eight hundred seventy-one".