87716 has 6 divisors (see below), whose sum is σ = 153510. Its totient is φ = 43856.

The previous prime is 87701. The next prime is 87719. The reversal of 87716 is 61778.

It can be written as a sum of positive squares in only one way, i.e., 87616 + 100 = 296^2 + 10^2 .

It is not an unprimeable number, because it can be changed into a prime (87719) by changing a digit.

87716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10961 + ... + 10968.

It is an arithmetic number, because the mean of its divisors is an integer number (25585).

2⁸⁷⁷¹⁶ is an apocalyptic number.

It is an amenable number.

87716 is a deficient number, since it is larger than the sum of its proper divisors (65794).

87716 is a wasteful number, since it uses less digits than its factorization.

87716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21933 (or 21931 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 87716 is about 296.1688707478. The cubic root of 87716 is about 44.4317009761.

The spelling of 87716 in words is "eighty-seven thousand, seven hundred sixteen".