28759 has 2 divisors, whose sum is σ = 28760. Its totient is φ = 28758.
The previous prime is 28753. The next prime is 28771. The reversal of 28759 is 95782.
28759 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28759 - 23 = 28751 is a prime.
It is a Chen prime.
28759 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 28759.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28751) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379 + 14380.
It is an arithmetic number, because the mean of its divisors is an integer number (14380).
228759 is an apocalyptic number.
28759 is a deficient number, since it is larger than the sum of its proper divisors (1).
28759 is an equidigital number, since it uses as much as digits as its factorization.
28759 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5040, while the sum is 31.
The square root of 28759 is about 169.5847870536. The cubic root of 28759 is about 30.6378246995.
It can be divided in two parts, 28 and 759, that added together give a palindrome (787).
The spelling of 28759 in words is "twenty-eight thousand, seven hundred fifty-nine".
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