8478720000 has 510 divisors, whose sum is σ = 31938332712. Its totient is φ = 2162688000.

The previous prime is 8478719993. The next prime is 8478720001. The reversal of 8478720000 is 278748.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478720001) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 368639989 + ... + 368640011.

Almost surely, 2^8478720000 is an apocalyptic number.

8478720000 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 8478720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15969166356).

8478720000 is an abundant number, since it is smaller than the sum of its proper divisors (23459612712).

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

8478720000 is an frugal number, since it uses more digits than its factorization.

8478720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 8478720000 is about 92079.9652476042. The cubic root of 8478720000 is about 2039.1230371334.

Adding to 8478720000 its reverse (278748), we get a palindrome (8478998748).

The spelling of 8478720000 in words is "eight billion, four hundred seventy-eight million, seven hundred twenty thousand".