87707 has 4 divisors (see below), whose sum is σ = 88320. Its totient is φ = 87096.

The previous prime is 87701. The next prime is 87719. The reversal of 87707 is 70778.

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 a cyclic number.

It is not a de Polignac number, because 87707 - 2⁴ = 87691 is a prime.

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 87707.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87707.

It is not an unprimeable number, because it can be changed into a prime (87701) 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, 38 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (22080).

2⁸⁷⁷⁰⁷ is an apocalyptic number.

87707 is a deficient number, since it is larger than the sum of its proper divisors (613).

87707 is a wasteful number, since it uses less digits than its factorization.

87707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 87707 is about 296.1536763236. The cubic root of 87707 is about 44.4301813028.

Subtracting from 87707 its sum of digits (29), we obtain a palindrome (87678).

The spelling of 87707 in words is "eighty-seven thousand, seven hundred seven".