8731048320 has 384 divisors, whose sum is σ = 32292449280. Its totient is φ = 2251929600.

The previous prime is 8731048307. The next prime is 8731048327. The reversal of 8731048320 is 238401378.

It is a tau number, because it is divible by the number of its divisors (384).

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 (8731048327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4820215 + ... + 4822025.

It is an arithmetic number, because the mean of its divisors is an integer number (84094920).

Almost surely, 2^8731048320 is an apocalyptic number.

8731048320 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 8731048320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16146224640).

8731048320 is an abundant number, since it is smaller than the sum of its proper divisors (23561400960).

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

8731048320 is a wasteful number, since it uses less digits than its factorization.

8731048320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8731048320 is about 93440.0787670901. The cubic root of 8731048320 is about 2059.1538549002.

Adding to 8731048320 its reverse (238401378), we get a palindrome (8969449698).

The spelling of 8731048320 in words is "eight billion, seven hundred thirty-one million, forty-eight thousand, three hundred twenty".