9799867044 has 144 divisors (see below), whose sum is σ = 28502772480. Its totient is φ = 2807766720.

The previous prime is 9799867043. The next prime is 9799867067. The reversal of 9799867044 is 4407689979.

It is not an unprimeable number, because it can be changed into a prime (9799867043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5137939 + ... + 5139845.

It is an arithmetic number, because the mean of its divisors is an integer number (197935920).

Almost surely, 2^9799867044 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 9799867044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14251386240).

9799867044 is an abundant number, since it is smaller than the sum of its proper divisors (18702905436).

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

9799867044 is a wasteful number, since it uses less digits than its factorization.

9799867044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2625 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The square root of 9799867044 is about 98994.2778346304. The cubic root of 9799867044 is about 2139.9652834500.

The spelling of 9799867044 in words is "nine billion, seven hundred ninety-nine million, eight hundred sixty-seven thousand, forty-four".