80717 has 8 divisors (see below), whose sum is σ = 99456. Its totient is φ = 63792.
The previous prime is 80713. The next prime is 80737. The reversal of 80717 is 71708.
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 80717 - 22 = 80713 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80692 and 80701.
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 80717.
It is not an unprimeable number, because it can be changed into a prime (80713) 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, 353 + ... + 534.
It is an arithmetic number, because the mean of its divisors is an integer number (12432).
280717 is an apocalyptic number.
It is an amenable number.
80717 is a deficient number, since it is larger than the sum of its proper divisors (18739).
80717 is a wasteful number, since it uses less digits than its factorization.
80717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 907.
The product of its (nonzero) digits is 392, while the sum is 23.
The square root of 80717 is about 284.1073740683. The cubic root of 80717 is about 43.2170386035.
Subtracting from 80717 its reverse (71708), we obtain a palindrome (9009).
It can be divided in two parts, 80 and 717, that added together give a palindrome (797).
The spelling of 80717 in words is "eighty thousand, seven hundred seventeen".
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