8665810860 has 192 divisors, whose sum is σ = 29440115712. Its totient is φ = 1859272704.

The previous prime is 8665810849. The next prime is 8665810873. The reversal of 8665810860 is 680185668.

It is a happy number.

It is a super-2 number, since 2×8665810860² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3090219 + ... + 3093021.

It is an arithmetic number, because the mean of its divisors is an integer number (153333936).

Almost surely, 2^8665810860 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 8665810860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14720057856).

8665810860 is an abundant number, since it is smaller than the sum of its proper divisors (20774304852).

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

8665810860 is a wasteful number, since it uses less digits than its factorization.

8665810860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 8665810860 is about 93090.3370925253. The cubic root of 8665810860 is about 2054.0124356625.

The spelling of 8665810860 in words is "eight billion, six hundred sixty-five million, eight hundred ten thousand, eight hundred sixty".