87587 has 2 divisors, whose sum is σ = 87588. Its totient is φ = 87586.

The previous prime is 87583. The next prime is 87589. The reversal of 87587 is 78578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87587 - 2² = 87583 is a prime.

Together with 87589, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87587.

It is not a weakly prime, because it can be changed into another prime (87583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43793 + 43794.

It is an arithmetic number, because the mean of its divisors is an integer number (43794).

2⁸⁷⁵⁸⁷ is an apocalyptic number.

87587 is a deficient number, since it is larger than the sum of its proper divisors (1).

87587 is an equidigital number, since it uses as much as digits as its factorization.

87587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 87587 is about 295.9510094593. The cubic root of 87587 is about 44.4099090510.

Subtracting from 87587 its reverse (78578), we obtain a palindrome (9009).

The spelling of 87587 in words is "eighty-seven thousand, five hundred eighty-seven".