9899487360 has 512 divisors, whose sum is σ = 40358707200. Its totient is φ = 2246455296.

The previous prime is 9899487349. The next prime is 9899487361. The reversal of 9899487360 is 637849989.

9899487360 is a `hidden beast` number, since 9 + 8 + 99 + 487 + 3 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9899487361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26973897 + ... + 26974263.

It is an arithmetic number, because the mean of its divisors is an integer number (78825600).

Almost surely, 2^9899487360 is an apocalyptic number.

9899487360 is a gapful number since it is divisible by the number (90) 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 9899487360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20179353600).

9899487360 is an abundant number, since it is smaller than the sum of its proper divisors (30459219840).

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

9899487360 is a wasteful number, since it uses less digits than its factorization.

9899487360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The square root of 9899487360 is about 99496.1675643841. The cubic root of 9899487360 is about 2147.1921059024.

The spelling of 9899487360 in words is "nine billion, eight hundred ninety-nine million, four hundred eighty-seven thousand, three hundred sixty".