9876086220 has 576 divisors, whose sum is σ = 38288678400. Its totient is φ = 1880686080.

The previous prime is 9876086203. The next prime is 9876086263. The reversal of 9876086220 is 226806789.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9876086220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 71050911 + ... + 71051049.

It is an arithmetic number, because the mean of its divisors is an integer number (66473400).

Almost surely, 2^9876086220 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 9876086220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19144339200).

9876086220 is an abundant number, since it is smaller than the sum of its proper divisors (28412592180).

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

9876086220 is a wasteful number, since it uses less digits than its factorization.

9876086220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 9876086220 is about 99378.4997874289. The cubic root of 9876086220 is about 2145.4988738643.

The spelling of 9876086220 in words is "nine billion, eight hundred seventy-six million, eighty-six thousand, two hundred twenty".