87933 has 4 divisors (see below), whose sum is σ = 117248. Its totient is φ = 58620.

The previous prime is 87931. The next prime is 87943. The reversal of 87933 is 33978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 87933 - 2¹ = 87931 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 87933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87931) 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, 14653 + ... + 14658.

It is an arithmetic number, because the mean of its divisors is an integer number (29312).

2⁸⁷⁹³³ is an apocalyptic number.

It is an amenable number.

87933 is a deficient number, since it is larger than the sum of its proper divisors (29315).

87933 is a wasteful number, since it uses less digits than its factorization.

87933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314.

The product of its digits is 4536, while the sum is 30.

The square root of 87933 is about 296.5349895038. The cubic root of 87933 is about 44.4683105615.

The spelling of 87933 in words is "eighty-seven thousand, nine hundred thirty-three".