9799999488 has 224 divisors, whose sum is σ = 29447459520. Its totient is φ = 3260694528.

The previous prime is 9799999481. The next prime is 9799999499. The reversal of 9799999488 is 8849999979.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (9799999481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17915631 + ... + 17916177.

Almost surely, 2^9799999488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9799999488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14723729760).

9799999488 is an abundant number, since it is smaller than the sum of its proper divisors (19647460032).

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

9799999488 is an frugal number, since it uses more digits than its factorization.

9799999488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 552 counting only the distinct ones).

The product of its digits is 952342272, while the sum is 81.

The square root of 9799999488 is about 98994.9467801261. The cubic root of 9799999488 is about 2139.9749238626.

The spelling of 9799999488 in words is "nine billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, four hundred eighty-eight".