80667 has 6 divisors (see below), whose sum is σ = 116532. Its totient is φ = 53772.
The previous prime is 80657. The next prime is 80669. The reversal of 80667 is 76608.
It is not a de Polignac number, because 80667 - 24 = 80651 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80667.
It is not an unprimeable number, because it can be changed into a prime (80669) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4473 + ... + 4490.
It is an arithmetic number, because the mean of its divisors is an integer number (19422).
280667 is an apocalyptic number.
80667 is a deficient number, since it is larger than the sum of its proper divisors (35865).
80667 is a wasteful number, since it uses less digits than its factorization.
80667 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8969 (or 8966 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 80667 is about 284.0193655369. The cubic root of 80667 is about 43.2081131881.
It can be divided in two parts, 80 and 667, that added together give a palindrome (747).
The spelling of 80667 in words is "eighty thousand, six hundred sixty-seven".
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