8799913840 has 80 divisors (see below), whose sum is σ = 21554647200. Its totient is φ = 3331915776.

The previous prime is 8799913819. The next prime is 8799913867. The reversal of 8799913840 is 483199978.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×8799913840³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271216 + ... + 3273904.

It is an arithmetic number, because the mean of its divisors is an integer number (269433090).

Almost surely, 2^8799913840 is an apocalyptic number.

8799913840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8799913840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10777323600).

8799913840 is an abundant number, since it is smaller than the sum of its proper divisors (12754733360).

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

8799913840 is a wasteful number, since it uses less digits than its factorization.

8799913840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874 (or 4868 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 8799913840 is about 93807.8559610015. The cubic root of 8799913840 is about 2064.5534929169.

The spelling of 8799913840 in words is "eight billion, seven hundred ninety-nine million, nine hundred thirteen thousand, eight hundred forty".