9988273558 has 8 divisors (see below), whose sum is σ = 15037696800. Its totient is φ = 4975707960.

The previous prime is 9988273541. The next prime is 9988273601. The reversal of 9988273558 is 8553728899.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9988273558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9213733 + ... + 9214816.

It is an arithmetic number, because the mean of its divisors is an integer number (1879712100).

Almost surely, 2^9988273558 is an apocalyptic number.

9988273558 is a deficient number, since it is larger than the sum of its proper divisors (5049423242).

9988273558 is a wasteful number, since it uses less digits than its factorization.

9988273558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18428822.

The product of its digits is 43545600, while the sum is 64.

The square root of 9988273558 is about 99941.3505912343. The cubic root of 9988273558 is about 2153.5922321971.

The spelling of 9988273558 in words is "nine billion, nine hundred eighty-eight million, two hundred seventy-three thousand, five hundred fifty-eight".