9879598512 has 240 divisors, whose sum is σ = 33658456832. Its totient is φ = 2746172160.

The previous prime is 9879598499. The next prime is 9879598513. The reversal of 9879598512 is 2158959789.

It is a super-2 number, since 2×9879598512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 9879598512.

It is not an unprimeable number, because it can be changed into a prime (9879598513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1002087 + ... + 1011897.

Almost surely, 2^9879598512 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 9879598512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16829228416).

9879598512 is an abundant number, since it is smaller than the sum of its proper divisors (23778858320).

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

9879598512 is a wasteful number, since it uses less digits than its factorization.

9879598512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878 (or 9860 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 63.

The square root of 9879598512 is about 99396.1695036584. The cubic root of 9879598512 is about 2145.7531826133.

The spelling of 9879598512 in words is "nine billion, eight hundred seventy-nine million, five hundred ninety-eight thousand, five hundred twelve".