87727 has 4 divisors (see below), whose sum is σ = 90136. Its totient is φ = 85320.

The previous prime is 87721. The next prime is 87739. The reversal of 87727 is 72778.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72778 = 2 ⋅36389.

It is a cyclic number.

It is not a de Polignac number, because 87727 - 2³ = 87719 is a prime.

It is a Duffinian number.

It is a plaindrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (22534).

2⁸⁷⁷²⁷ is an apocalyptic number.

87727 is a deficient number, since it is larger than the sum of its proper divisors (2409).

87727 is a wasteful number, since it uses less digits than its factorization.

87727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408.

The product of its digits is 5488, while the sum is 31.

The square root of 87727 is about 296.1874406520. The cubic root of 87727 is about 44.4335582134.

It can be divided in two parts, 8 and 7727, that multiplied together give a palindrome (61816).

The spelling of 87727 in words is "eighty-seven thousand, seven hundred twenty-seven".