9481878180 has 288 divisors, whose sum is σ = 32522031360. Its totient is φ = 2221793280.

The previous prime is 9481878151. The next prime is 9481878227. The reversal of 9481878180 is 818781849.

It is a happy number.

9481878180 is a `hidden beast` number, since 9 + 481 + 8 + 7 + 81 + 80 = 666.

9481878180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9481878180² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4126792 + ... + 4129088.

It is an arithmetic number, because the mean of its divisors is an integer number (112923720).

Almost surely, 2^9481878180 is an apocalyptic number.

9481878180 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 9481878180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16261015680).

9481878180 is an abundant number, since it is smaller than the sum of its proper divisors (23040153180).

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

9481878180 is a wasteful number, since it uses less digits than its factorization.

9481878180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The square root of 9481878180 is about 97374.9360975400. The cubic root of 9481878180 is about 2116.5642536543.

The spelling of 9481878180 in words is "nine billion, four hundred eighty-one million, eight hundred seventy-eight thousand, one hundred eighty".