9879368544 has 36 divisors (see below), whose sum is σ = 28094455116. Its totient is φ = 3293122752.

The previous prime is 9879368531. The next prime is 9879368561. The reversal of 9879368544 is 4458639789.

9879368544 is a `hidden beast` number, since 9 + 87 + 9 + 3 + 6 + 8 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17151394 + ... + 17151969.

It is an arithmetic number, because the mean of its divisors is an integer number (780401531).

Almost surely, 2^9879368544 is an apocalyptic number.

It is an amenable number.

9879368544 is an abundant number, since it is smaller than the sum of its proper divisors (18215086572).

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

9879368544 is a wasteful number, since it uses less digits than its factorization.

9879368544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303379 (or 34303368 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 9879368544 is about 99395.0126716628. The cubic root of 9879368544 is about 2145.7365335428.

The spelling of 9879368544 in words is "nine billion, eight hundred seventy-nine million, three hundred sixty-eight thousand, five hundred forty-four".