80677 has 2 divisors, whose sum is σ = 80678. Its totient is φ = 80676.
The previous prime is 80671. The next prime is 80681. The reversal of 80677 is 77608.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54756 + 25921 = 234^2 + 161^2 .
It is a cyclic number.
It is not a de Polignac number, because 80677 - 23 = 80669 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80671) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40338 + 40339.
It is an arithmetic number, because the mean of its divisors is an integer number (40339).
280677 is an apocalyptic number.
It is an amenable number.
80677 is a deficient number, since it is larger than the sum of its proper divisors (1).
80677 is an equidigital number, since it uses as much as digits as its factorization.
80677 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 80677 is about 284.0369694248. The cubic root of 80677 is about 43.2098985662.
It can be divided in two parts, 80 and 677, that added together give a palindrome (757).
The spelling of 80677 in words is "eighty thousand, six hundred seventy-seven".
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