8989278480 has 1280 divisors, whose sum is σ = 41997312000. Its totient is φ = 1713954816.

The previous prime is 8989278469. The next prime is 8989278497. The reversal of 8989278480 is 848729898.

It is a happy number.

8989278480 is a `hidden beast` number, since 8 + 9 + 89 + 2 + 78 + 480 = 666.

It is a super-2 number, since 2×8989278480² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 108304519 + ... + 108304601.

It is an arithmetic number, because the mean of its divisors is an integer number (32810400).

Almost surely, 2^8989278480 is an apocalyptic number.

8989278480 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 8989278480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20998656000).

8989278480 is an abundant number, since it is smaller than the sum of its proper divisors (33008033520).

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

8989278480 is a wasteful number, since it uses less digits than its factorization.

8989278480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The square root of 8989278480 is about 94811.8055940293. The cubic root of 8989278480 is about 2079.2575074217.

The spelling of 8989278480 in words is "eight billion, nine hundred eighty-nine million, two hundred seventy-eight thousand, four hundred eighty".