65087 has 8 divisors (see below), whose sum is σ = 72912. Its totient is φ = 57600.

The previous prime is 65071. The next prime is 65089. The reversal of 65087 is 78056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65087 - 2⁴ = 65071 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65087.

It is not an unprimeable number, because it can be changed into a prime (65089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623 + ... + 719.

It is an arithmetic number, because the mean of its divisors is an integer number (9114).

2⁶⁵⁰⁸⁷ is an apocalyptic number.

65087 is a deficient number, since it is larger than the sum of its proper divisors (7825).

65087 is a wasteful number, since it uses less digits than its factorization.

65087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 65087 is about 255.1215396630. The cubic root of 65087 is about 40.2251882111.

It can be divided in two parts, 650 and 87, that added together give a palindrome (737).

The spelling of 65087 in words is "sixty-five thousand, eighty-seven".