9879488849788 has 24 divisors (see below), whose sum is σ = 17703834271200. Its totient is φ = 4822187198400.

The previous prime is 9879488849767. The next prime is 9879488849801. The reversal of 9879488849788 is 8879488849789.

It is a self number, because there is not a number n which added to its sum of digits gives 9879488849788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117046663 + ... + 117131038.

It is an arithmetic number, because the mean of its divisors is an integer number (737659761300).

Almost surely, 2^{9879488849788} is an apocalyptic number.

It is an amenable number.

9879488849788 is a deficient number, since it is larger than the sum of its proper divisors (7824345421412).

9879488849788 is a wasteful number, since it uses less digits than its factorization.

9879488849788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234177957 (or 234177955 counting only the distinct ones).

The product of its digits is 149824733184, while the sum is 97.

Subtracting from 9879488849788 its reverse (8879488849789), we obtain a palindrome (999999999999).

The spelling of 9879488849788 in words is "nine trillion, eight hundred seventy-nine billion, four hundred eighty-eight million, eight hundred forty-nine thousand, seven hundred eighty-eight".