80047 has 8 divisors (see below), whose sum is σ = 92160. Its totient is φ = 68760.
The previous prime is 80039. The next prime is 80051. The reversal of 80047 is 74008.
It is a happy number.
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 80047 - 23 = 80039 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
80047 is a lucky number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80077) 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, 18 + ... + 400.
It is an arithmetic number, because the mean of its divisors is an integer number (11520).
280047 is an apocalyptic number.
80047 is a deficient number, since it is larger than the sum of its proper divisors (12113).
80047 is a wasteful number, since it uses less digits than its factorization.
80047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 80047 is about 282.9257853219. The cubic root of 80047 is about 43.0971303512.
The spelling of 80047 in words is "eighty thousand, forty-seven".
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