84887 has 4 divisors (see below), whose sum is σ = 92616. Its totient is φ = 77160.
The previous prime is 84871. The next prime is 84913. The reversal of 84887 is 78848.
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 84887 - 24 = 84871 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84887.
It is not an unprimeable number, because it can be changed into a prime (84827) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848 + ... + 3869.
It is an arithmetic number, because the mean of its divisors is an integer number (23154).
284887 is an apocalyptic number.
84887 is a deficient number, since it is larger than the sum of its proper divisors (7729).
84887 is a wasteful number, since it uses less digits than its factorization.
84887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7728.
The product of its digits is 14336, while the sum is 35.
The square root of 84887 is about 291.3537368904. The cubic root of 84887 is about 43.9488040908.
The spelling of 84887 in words is "eighty-four thousand, eight hundred eighty-seven".
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