87082 has 4 divisors (see below), whose sum is σ = 130626. Its totient is φ = 43540.

The previous prime is 87071. The next prime is 87083. The reversal of 87082 is 28078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84681 + 2401 = 291^2 + 49^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (87083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21769 + ... + 21772.

2⁸⁷⁰⁸² is an apocalyptic number.

87082 is a deficient number, since it is larger than the sum of its proper divisors (43544).

87082 is a wasteful number, since it uses less digits than its factorization.

87082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43543.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 87082 is about 295.0965943551. The cubic root of 87082 is about 44.3243931445.

Adding to 87082 its product of nonzero digits (896), we get a palindrome (87978).

The spelling of 87082 in words is "eighty-seven thousand, eighty-two".