9686788860 has 192 divisors, whose sum is σ = 32088268800. Its totient is φ = 2136637440.

The previous prime is 9686788847. The next prime is 9686788861. The reversal of 9686788860 is 688876869.

It is a junction number, because it is equal to n+sod(n) for n = 9686788791 and 9686788800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9686788861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5845152 + ... + 5846808.

It is an arithmetic number, because the mean of its divisors is an integer number (167126400).

Almost surely, 2^9686788860 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 9686788860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16044134400).

9686788860 is an abundant number, since it is smaller than the sum of its proper divisors (22401479940).

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

9686788860 is a wasteful number, since it uses less digits than its factorization.

9686788860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The square root of 9686788860 is about 98421.4857640343. The cubic root of 9686788860 is about 2131.7025819265.

The spelling of 9686788860 in words is "nine billion, six hundred eighty-six million, seven hundred eighty-eight thousand, eight hundred sixty".