86847 has 4 divisors (see below), whose sum is σ = 115800. Its totient is φ = 57896.

The previous prime is 86843. The next prime is 86851. The reversal of 86847 is 74868.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86843) and next prime (86851).

It is a cyclic number.

It is not a de Polignac number, because 86847 - 2² = 86843 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86847.

It is not an unprimeable number, because it can be changed into a prime (86843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14472 + ... + 14477.

It is an arithmetic number, because the mean of its divisors is an integer number (28950).

2⁸⁶⁸⁴⁷ is an apocalyptic number.

86847 is a deficient number, since it is larger than the sum of its proper divisors (28953).

86847 is a wasteful number, since it uses less digits than its factorization.

86847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28952.

The product of its digits is 10752, while the sum is 33.

The square root of 86847 is about 294.6981506559. The cubic root of 86847 is about 44.2844858685.

The spelling of 86847 in words is "eighty-six thousand, eight hundred forty-seven".