87018241 has 8 divisors (see below), whose sum is σ = 90731520. Its totient is φ = 83352528.

The previous prime is 87018221. The next prime is 87018247. The reversal of 87018241 is 14281078.

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 87018241 - 2⁹ = 87017729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87018247) 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, 8131 + ... + 15496.

It is an arithmetic number, because the mean of its divisors is an integer number (11341440).

Almost surely, 2^87018241 is an apocalyptic number.

It is an amenable number.

87018241 is a deficient number, since it is larger than the sum of its proper divisors (3713279).

87018241 is a wasteful number, since it uses less digits than its factorization.

87018241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23783.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 87018241 is about 9328.3568220775. The cubic root of 87018241 is about 443.1357281048.

The spelling of 87018241 in words is "eighty-seven million, eighteen thousand, two hundred forty-one".