87427 has 2 divisors, whose sum is σ = 87428. Its totient is φ = 87426.
The previous prime is 87421. The next prime is 87433. The reversal of 87427 is 72478.
It is a balanced prime because it is at equal distance from previous prime (87421) and next prime (87433).
It is a cyclic number.
It is not a de Polignac number, because 87427 - 27 = 87299 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87395 and 87404.
It is not a weakly prime, because it can be changed into another prime (87421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43713 + 43714.
It is an arithmetic number, because the mean of its divisors is an integer number (43714).
287427 is an apocalyptic number.
87427 is a deficient number, since it is larger than the sum of its proper divisors (1).
87427 is an equidigital number, since it uses as much as digits as its factorization.
87427 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3136, while the sum is 28.
The square root of 87427 is about 295.6805708869. The cubic root of 87427 is about 44.3828505584.
The spelling of 87427 in words is "eighty-seven thousand, four hundred twenty-seven".
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