87503 has 8 divisors (see below), whose sum is σ = 96768. Its totient is φ = 78624.

The previous prime is 87491. The next prime is 87509. The reversal of 87503 is 30578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87503 - 2¹² = 83407 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87509) 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 7 ways as a sum of consecutive naturals, for example, 626 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2⁸⁷⁵⁰³ is an apocalyptic number.

87503 is a deficient number, since it is larger than the sum of its proper divisors (9265).

87503 is a wasteful number, since it uses less digits than its factorization.

87503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 87503 is about 295.8090600370. The cubic root of 87503 is about 44.3957074550.

The spelling of 87503 in words is "eighty-seven thousand, five hundred three".