86087 has 4 divisors (see below), whose sum is σ = 88896. Its totient is φ = 83280.
The previous prime is 86083. The next prime is 86111. The reversal of 86087 is 78068.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 86087 - 22 = 86083 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 1419.
It is an arithmetic number, because the mean of its divisors is an integer number (22224).
286087 is an apocalyptic number.
86087 is a deficient number, since it is larger than the sum of its proper divisors (2809).
86087 is a wasteful number, since it uses less digits than its factorization.
86087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2808.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 86087 is about 293.4058622455. The cubic root of 86087 is about 44.1549290434.
The spelling of 86087 in words is "eighty-six thousand, eighty-seven".
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