87653 has 8 divisors (see below), whose sum is σ = 94848. Its totient is φ = 80784.

The previous prime is 87649. The next prime is 87671. The reversal of 87653 is 35678.

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

It is a cyclic number.

It is not a de Polignac number, because 87653 - 2² = 87649 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800 + ... + 902.

It is an arithmetic number, because the mean of its divisors is an integer number (11856).

2⁸⁷⁶⁵³ is an apocalyptic number.

It is an amenable number.

87653 is a deficient number, since it is larger than the sum of its proper divisors (7195).

87653 is a wasteful number, since it uses less digits than its factorization.

87653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163.

The product of its digits is 5040, while the sum is 29.

The square root of 87653 is about 296.0624934030. The cubic root of 87653 is about 44.4210610792.

It can be divided in two parts, 876 and 53, that added together give a palindrome (929).

The spelling of 87653 in words is "eighty-seven thousand, six hundred fifty-three".