8488720328 has 64 divisors (see below), whose sum is σ = 17958481920. Its totient is φ = 3726734400.

The previous prime is 8488720309. The next prime is 8488720333. The reversal of 8488720328 is 8230278848.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533101 + ... + 1538627.

It is an arithmetic number, because the mean of its divisors is an integer number (280601280).

Almost surely, 2^8488720328 is an apocalyptic number.

8488720328 is a gapful number since it is divisible by the number (88) 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 8488720328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8979240960).

8488720328 is an abundant number, since it is smaller than the sum of its proper divisors (9469761592).

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

8488720328 is a wasteful number, since it uses less digits than its factorization.

8488720328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138 (or 6134 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 50.

The square root of 8488720328 is about 92134.2516548542. The cubic root of 8488720328 is about 2039.9244115271.

The spelling of 8488720328 in words is "eight billion, four hundred eighty-eight million, seven hundred twenty thousand, three hundred twenty-eight".