87836243 has 8 divisors (see below), whose sum is σ = 96065136. Its totient is φ = 79648000.

The previous prime is 87836213. The next prime is 87836257. The reversal of 87836243 is 34263878.

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 87836243 - 2⁶ = 87836179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87836243.

It is not an unprimeable number, because it can be changed into a prime (87836213) 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, 5546 + ... + 14367.

It is an arithmetic number, because the mean of its divisors is an integer number (12008142).

Almost surely, 2^87836243 is an apocalyptic number.

87836243 is a deficient number, since it is larger than the sum of its proper divisors (8228893).

87836243 is a wasteful number, since it uses less digits than its factorization.

87836243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20325.

The product of its digits is 193536, while the sum is 41.

The square root of 87836243 is about 9372.0991778790. The cubic root of 87836243 is about 444.5199435328.

The spelling of 87836243 in words is "eighty-seven million, eight hundred thirty-six thousand, two hundred forty-three".