9287868660 has 144 divisors (see below), whose sum is σ = 30434673024. Its totient is φ = 2110117632.

The previous prime is 9287868659. The next prime is 9287868673. The reversal of 9287868660 is 668687829.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 9287868594 and 9287868603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 481522 + ... + 500438.

It is an arithmetic number, because the mean of its divisors is an integer number (211351896).

Almost surely, 2^9287868660 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 9287868660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15217336512).

9287868660 is an abundant number, since it is smaller than the sum of its proper divisors (21146804364).

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

9287868660 is a wasteful number, since it uses less digits than its factorization.

9287868660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19110 (or 19101 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The square root of 9287868660 is about 96373.5890169086. The cubic root of 9287868660 is about 2102.0289279962.

The spelling of 9287868660 in words is "nine billion, two hundred eighty-seven million, eight hundred sixty-eight thousand, six hundred sixty".