9987509022 has 16 divisors (see below), whose sum is σ = 20215681920. Its totient is φ = 3289059032.

The previous prime is 9987509009. The next prime is 9987509053. The reversal of 9987509022 is 2209057899.

9987509022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 10027122 + ... + 10028117.

It is an arithmetic number, because the mean of its divisors is an integer number (1263480120).

Almost surely, 2^9987509022 is an apocalyptic number.

9987509022 is an abundant number, since it is smaller than the sum of its proper divisors (10228172898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9987509022 is a wasteful number, since it uses less digits than its factorization.

9987509022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055327.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 9987509022 is about 99937.5255947434. The cubic root of 9987509022 is about 2153.5372830679.

The spelling of 9987509022 in words is "nine billion, nine hundred eighty-seven million, five hundred nine thousand, twenty-two".