87059 has 4 divisors (see below), whose sum is σ = 99504. Its totient is φ = 74616.

The previous prime is 87049. The next prime is 87071. The reversal of 87059 is 95078.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87059 - 2¹² = 82963 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (87049) 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 in 3 ways as a sum of consecutive naturals, for example, 6212 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (24876).

2⁸⁷⁰⁵⁹ is an apocalyptic number.

87059 is a deficient number, since it is larger than the sum of its proper divisors (12445).

87059 is a wasteful number, since it uses less digits than its factorization.

87059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12444.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 87059 is about 295.0576214911. The cubic root of 87059 is about 44.3204904979.

It can be divided in two parts, 870 and 59, that added together give a palindrome (929).

The spelling of 87059 in words is "eighty-seven thousand, fifty-nine".