87026 has 8 divisors (see below), whose sum is σ = 133164. Its totient is φ = 42640.
The previous prime is 87013. The next prime is 87037. The reversal of 87026 is 62078.
It is a Cunningham number, because it is equal to 2952+1.
It can be written as a sum of positive squares in 2 ways, for example, as 87025 + 1 = 295^2 + 1^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 86992 and 87010.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 516.
287026 is an apocalyptic number.
87026 is a deficient number, since it is larger than the sum of its proper divisors (46138).
87026 is a wasteful number, since it uses less digits than its factorization.
87026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 876.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 87026 is about 295.0016949104. The cubic root of 87026 is about 44.3148898477.
The spelling of 87026 in words is "eighty-seven thousand, twenty-six".
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