87287223 has 8 divisors (see below), whose sum is σ = 116836848. Its totient is φ = 57964544.

The previous prime is 87287219. The next prime is 87287257. The reversal of 87287223 is 32278278.

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 87287223 - 2² = 87287219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87287423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55836 + ... + 57377.

It is an arithmetic number, because the mean of its divisors is an integer number (14604606).

Almost surely, 2^87287223 is an apocalyptic number.

87287223 is a deficient number, since it is larger than the sum of its proper divisors (29549625).

87287223 is a wasteful number, since it uses less digits than its factorization.

87287223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113473.

The product of its digits is 75264, while the sum is 39.

The square root of 87287223 is about 9342.7631351758. The cubic root of 87287223 is about 443.5918505930.

It can be divided in two parts, 8728 and 7223, that added together give a palindrome (15951).

The spelling of 87287223 in words is "eighty-seven million, two hundred eighty-seven thousand, two hundred twenty-three".