9879689344 has 32 divisors (see below), whose sum is σ = 22493937600. Its totient is φ = 4234152192.

The previous prime is 9879689341. The next prime is 9879689357. The reversal of 9879689344 is 4439869789.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 9879689344.

It is not an unprimeable number, because it can be changed into a prime (9879689341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5512324 + ... + 5514115.

It is an arithmetic number, because the mean of its divisors is an integer number (702935550).

Almost surely, 2^9879689344 is an apocalyptic number.

It is an amenable number.

9879689344 is an abundant number, since it is smaller than the sum of its proper divisors (12614248256).

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

9879689344 is a wasteful number, since it uses less digits than its factorization.

9879689344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026460 (or 11026448 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 67.

The square root of 9879689344 is about 99396.6264216246. The cubic root of 9879689344 is about 2145.7597585369.

The spelling of 9879689344 in words is "nine billion, eight hundred seventy-nine million, six hundred eighty-nine thousand, three hundred forty-four".