9879845696 has 168 divisors, whose sum is σ = 23398764480. Its totient is φ = 4125800448.

The previous prime is 9879845693. The next prime is 9879845713. The reversal of 9879845696 is 6965489789.

It is a super-2 number, since 2×9879845696² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879845693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23579375 + ... + 23579793.

It is an arithmetic number, because the mean of its divisors is an integer number (139278360).

Almost surely, 2^9879845696 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 9879845696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11699382240).

9879845696 is an abundant number, since it is smaller than the sum of its proper divisors (13518918784).

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

9879845696 is a wasteful number, since it uses less digits than its factorization.

9879845696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 604 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 71.

The square root of 9879845696 is about 99397.4129240797. The cubic root of 9879845696 is about 2145.7710777882.

The spelling of 9879845696 in words is "nine billion, eight hundred seventy-nine million, eight hundred forty-five thousand, six hundred ninety-six".