8481128172 has 48 divisors (see below), whose sum is σ = 21602784000. Its totient is φ = 2568317760.

The previous prime is 8481128171. The next prime is 8481128179. The reversal of 8481128172 is 2718211848.

It is a super-3 number, since 3×8481128172³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8481128171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183729 + ... + 225207.

It is an arithmetic number, because the mean of its divisors is an integer number (450058000).

Almost surely, 2^8481128172 is an apocalyptic number.

It is an amenable number.

8481128172 is an abundant number, since it is smaller than the sum of its proper divisors (13121655828).

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

8481128172 is a wasteful number, since it uses less digits than its factorization.

8481128172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43046 (or 43044 counting only the distinct ones).

The product of its digits is 57344, while the sum is 42.

The square root of 8481128172 is about 92093.0408445720. The cubic root of 8481128172 is about 2039.3160731172.

The spelling of 8481128172 in words is "eight billion, four hundred eighty-one million, one hundred twenty-eight thousand, one hundred seventy-two".