87127 has 4 divisors (see below), whose sum is σ = 87856. Its totient is φ = 86400.

The previous prime is 87121. The next prime is 87133. The reversal of 87127 is 72178.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (87121) and next prime (87133).

It is a cyclic number.

It is not a de Polignac number, because 87127 - 2³ = 87119 is a prime.

It is a super-2 number, since 2×87127² = 15182228258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87121) 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, 138 + ... + 439.

It is an arithmetic number, because the mean of its divisors is an integer number (21964).

2⁸⁷¹²⁷ is an apocalyptic number.

87127 is a deficient number, since it is larger than the sum of its proper divisors (729).

87127 is a wasteful number, since it uses less digits than its factorization.

87127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 784, while the sum is 25.

The square root of 87127 is about 295.1728307280. The cubic root of 87127 is about 44.3320267704.

It can be divided in two parts, 871 and 27, that added together give a palindrome (898).

The spelling of 87127 in words is "eighty-seven thousand, one hundred twenty-seven".