87916 has 12 divisors (see below), whose sum is σ = 159040. Its totient is φ = 42480.
The previous prime is 87911. The next prime is 87917. The reversal of 87916 is 61978.
87916 = T115 + T116 + ... + T126.
87916 is nontrivially palindromic in base 15.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is not an unprimeable number, because it can be changed into a prime (87911) 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, 231 + ... + 478.
287916 is an apocalyptic number.
It is an amenable number.
87916 is a deficient number, since it is larger than the sum of its proper divisors (71124).
87916 is a wasteful number, since it uses less digits than its factorization.
87916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 744 (or 742 counting only the distinct ones).
The product of its digits is 3024, while the sum is 31.
The square root of 87916 is about 296.5063237100. The cubic root of 87916 is about 44.4654447053.
The spelling of 87916 in words is "eighty-seven thousand, nine hundred sixteen".
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