9987563422 has 8 divisors (see below), whose sum is σ = 14996050200. Its totient is φ = 4988880024.

The previous prime is 9987563419. The next prime is 9987563459. The reversal of 9987563422 is 2243657899.

9987563422 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2448297 + ... + 2452372.

It is an arithmetic number, because the mean of its divisors is an integer number (1874506275).

Almost surely, 2^9987563422 is an apocalyptic number.

9987563422 is a deficient number, since it is larger than the sum of its proper divisors (5008486778).

9987563422 is a wasteful number, since it uses less digits than its factorization.

9987563422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901690.

The product of its digits is 6531840, while the sum is 55.

The square root of 9987563422 is about 99937.7977644094. The cubic root of 9987563422 is about 2153.5411930257.

The spelling of 9987563422 in words is "nine billion, nine hundred eighty-seven million, five hundred sixty-three thousand, four hundred twenty-two".