8747 has 2 divisors, whose sum is σ = 8748.
Its totient is φ = 8746.
The previous prime is 8741. The next prime is 8753. The reversal of 8747 is 7478.
It is a balanced prime because it is at equal distance from previous prime (8741) and next prime (8753).
It is a cyclic number.
It is not a de Polignac number, because 8747 - 24 = 8731 is a prime.
It is a Chen prime.
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 9 and base 16.
It is a nialpdrome in base 11.
It is not a weakly prime, because it can be changed into another prime (8741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4373 + 4374.
It is an arithmetic number, because the mean of its divisors is an integer number (4374).
28747 is an apocalyptic number.
8747 is a deficient number, since it is larger than the sum of its proper divisors (1).
8747 is an equidigital number, since it uses as much as digits as its factorization.
8747 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1568, while the sum is 26.
The square root of 8747 is about 93.5253976201.
The cubic root of 8747 is about 20.6040712097.
The spelling of 8747 in words is "eight thousand, seven hundred forty-seven".