87268 has 6 divisors (see below), whose sum is σ = 152726. Its totient is φ = 43632.
The previous prime is 87257. The next prime is 87277. The reversal of 87268 is 86278.
It can be written as a sum of positive squares in only one way, i.e., 79524 + 7744 = 282^2 + 88^2 .
It is a plaindrome in base 15.
It is an unprimeable number.
87268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10905 + ... + 10912.
287268 is an apocalyptic number.
It is an amenable number.
87268 is a deficient number, since it is larger than the sum of its proper divisors (65458).
87268 is a wasteful number, since it uses less digits than its factorization.
87268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21821 (or 21819 counting only the distinct ones).
The product of its digits is 5376, while the sum is 31.
The square root of 87268 is about 295.4115772951. The cubic root of 87268 is about 44.3559284574.
Subtracting from 87268 its reverse (86278), we obtain a triangular number (990 = T44).
The spelling of 87268 in words is "eighty-seven thousand, two hundred sixty-eight".
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