87387 has 4 divisors (see below), whose sum is σ = 116520. Its totient is φ = 58256.

The previous prime is 87383. The next prime is 87403. The reversal of 87387 is 78378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87387 - 2² = 87383 is a prime.

It is a D-number.

87387 is a lucky number.

It is a plaindrome in base 4, base 14 and base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87387.

It is not an unprimeable number, because it can be changed into a prime (87383) 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, 14562 + ... + 14567.

It is an arithmetic number, because the mean of its divisors is an integer number (29130).

2⁸⁷³⁸⁷ is an apocalyptic number.

87387 is a deficient number, since it is larger than the sum of its proper divisors (29133).

87387 is a wasteful number, since it uses less digits than its factorization.

87387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29132.

The product of its digits is 9408, while the sum is 33.

The square root of 87387 is about 295.6129225863. The cubic root of 87387 is about 44.3760807778.

Subtracting from 87387 its reverse (78378), we obtain a palindrome (9009).

It can be divided in two parts, 87 and 387, that added together give a palindrome (474).

The spelling of 87387 in words is "eighty-seven thousand, three hundred eighty-seven".