87007 has 4 divisors (see below), whose sum is σ = 87696. Its totient is φ = 86320.

The previous prime is 86993. The next prime is 87011. The reversal of 87007 is 70078.

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 a de Polignac number, because none of the positive numbers 2^k-87007 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

87007 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87037) 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, 94 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (21924).

2⁸⁷⁰⁰⁷ is an apocalyptic number.

87007 is a deficient number, since it is larger than the sum of its proper divisors (689).

87007 is a wasteful number, since it uses less digits than its factorization.

87007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 87007 is about 294.9694899477. The cubic root of 87007 is about 44.3116645886.

The spelling of 87007 in words is "eighty-seven thousand, seven".