80785 has 8 divisors (see below), whose sum is σ = 98496. Its totient is φ = 63600.
The previous prime is 80783. The next prime is 80789. The reversal of 80785 is 58708.
80785 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80785 - 21 = 80783 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80783) 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, 460 + ... + 610.
It is an arithmetic number, because the mean of its divisors is an integer number (12312).
280785 is an apocalyptic number.
It is an amenable number.
80785 is a deficient number, since it is larger than the sum of its proper divisors (17711).
80785 is a wasteful number, since it uses less digits than its factorization.
80785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263.
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 80785 is about 284.2270219384. The cubic root of 80785 is about 43.2291712553.
The spelling of 80785 in words is "eighty thousand, seven hundred eighty-five".
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