86747 has 4 divisors (see below), whose sum is σ = 87360. Its totient is φ = 86136.

The previous prime is 86743. The next prime is 86753. The reversal of 86747 is 74768.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86747 - 2² = 86743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2⁸⁶⁷⁴⁷ is an apocalyptic number.

86747 is a deficient number, since it is larger than the sum of its proper divisors (613).

86747 is a wasteful number, since it uses less digits than its factorization.

86747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 9408, while the sum is 32.

The square root of 86747 is about 294.5284366577. The cubic root of 86747 is about 44.2674822131.

The spelling of 86747 in words is "eighty-six thousand, seven hundred forty-seven".