69087 has 4 divisors (see below), whose sum is σ = 92120. Its totient is φ = 46056.

The previous prime is 69073. The next prime is 69109. The reversal of 69087 is 78096.

It is a happy number.

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

It is not a de Polignac number, because 69087 - 2¹⁵ = 36319 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

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 69087.

It is not an unprimeable number, because it can be changed into a prime (69067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11512 + ... + 11517.

It is an arithmetic number, because the mean of its divisors is an integer number (23030).

2⁶⁹⁰⁸⁷ is an apocalyptic number.

69087 is a deficient number, since it is larger than the sum of its proper divisors (23033).

69087 is a wasteful number, since it uses less digits than its factorization.

69087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23032.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 69087 is about 262.8440602334. The cubic root of 69087 is about 41.0328905224.

Subtracting 69087 from its reverse (78096), we obtain a palindrome (9009).

It can be divided in two parts, 690 and 87, that added together give a palindrome (777).

The spelling of 69087 in words is "sixty-nine thousand, eighty-seven".