8484478480 has 80 divisors (see below), whose sum is σ = 20128354560. Its totient is φ = 3325031424.

The previous prime is 8484478451. The next prime is 8484478489. The reversal of 8484478480 is 848744848.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×8484478480² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8484478489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474489 + ... + 1480231.

It is an arithmetic number, because the mean of its divisors is an integer number (251604432).

Almost surely, 2^8484478480 is an apocalyptic number.

8484478480 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 8484478480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10064177280).

8484478480 is an abundant number, since it is smaller than the sum of its proper divisors (11643876080).

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

8484478480 is a wasteful number, since it uses less digits than its factorization.

8484478480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128 (or 6122 counting only the distinct ones).

The product of its (nonzero) digits is 7340032, while the sum is 55.

The square root of 8484478480 is about 92111.2288486046. The cubic root of 8484478480 is about 2039.5845687446.

The spelling of 8484478480 in words is "eight billion, four hundred eighty-four million, four hundred seventy-eight thousand, four hundred eighty".