8685887040 has 224 divisors, whose sum is σ = 30723840000. Its totient is φ = 2310045696.

The previous prime is 8685886961. The next prime is 8685887047. The reversal of 8685887040 is 407885868.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8685887047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3878241 + ... + 3880479.

It is an arithmetic number, because the mean of its divisors is an integer number (137160000).

Almost surely, 2^8685887040 is an apocalyptic number.

8685887040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8685887040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15361920000).

8685887040 is an abundant number, since it is smaller than the sum of its proper divisors (22037952960).

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

8685887040 is a wasteful number, since it uses less digits than its factorization.

8685887040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2698 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The square root of 8685887040 is about 93198.1064185319. The cubic root of 8685887040 is about 2055.5973967795.

The spelling of 8685887040 in words is "eight billion, six hundred eighty-five million, eight hundred eighty-seven thousand, forty".