9987418201 has 4 divisors (see below), whose sum is σ = 9987624100. Its totient is φ = 9987212304.

The previous prime is 9987418163. The next prime is 9987418237. The reversal of 9987418201 is 1028147899.

9987418201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6256651801 + 3730766400 = 79099^2 + 61080^2 .

It is a cyclic number.

It is not a de Polignac number, because 9987418201 - 2⁷ = 9987418073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9987418241) 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 3 ways as a sum of consecutive naturals, for example, 14395 + ... + 142063.

It is an arithmetic number, because the mean of its divisors is an integer number (2496906025).

Almost surely, 2^9987418201 is an apocalyptic number.

It is an amenable number.

9987418201 is a deficient number, since it is larger than the sum of its proper divisors (205899).

9987418201 is a wasteful number, since it uses less digits than its factorization.

9987418201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205898.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 9987418201 is about 99937.0712048337. The cubic root of 9987418201 is about 2153.5307553474.

The spelling of 9987418201 in words is "nine billion, nine hundred eighty-seven million, four hundred eighteen thousand, two hundred one".