87385 has 4 divisors (see below), whose sum is σ = 104868. Its totient is φ = 69904.

The previous prime is 87383. The next prime is 87403. The reversal of 87385 is 58378.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17689 + 69696 = 133^2 + 264^2 .

It is a cyclic number.

It is not a de Polignac number, because 87385 - 2¹ = 87383 is a prime.

It is a super-2 number, since 2×87385² = 15272276450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) 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.

It is a plaindrome in base 14 and base 16.

It is not an unprimeable number, because it can be changed into a prime (87383) 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, 8734 + ... + 8743.

It is an arithmetic number, because the mean of its divisors is an integer number (26217).

2⁸⁷³⁸⁵ is an apocalyptic number.

It is an amenable number.

87385 is a deficient number, since it is larger than the sum of its proper divisors (17483).

87385 is a wasteful number, since it uses less digits than its factorization.

87385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17482.

The product of its digits is 6720, while the sum is 31.

The square root of 87385 is about 295.6095397649. The cubic root of 87385 is about 44.3757422345.

The spelling of 87385 in words is "eighty-seven thousand, three hundred eighty-five".