8229781248 has 144 divisors (see below), whose sum is σ = 24614338560. Its totient is φ = 2422075392.

The previous prime is 8229781237. The next prime is 8229781331. The reversal of 8229781248 is 8421879228.

It is a self number, because there is not a number n which added to its sum of digits gives 8229781248.

It is a congruent 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, 211713 + ... + 247551.

Almost surely, 2^8229781248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8229781248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12307169280).

8229781248 is an abundant number, since it is smaller than the sum of its proper divisors (16384557312).

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

8229781248 is a wasteful number, since it uses less digits than its factorization.

8229781248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35894 (or 35880 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 51.

The square root of 8229781248 is about 90718.1417799108. The cubic root of 8229781248 is about 2018.9679765677.

The spelling of 8229781248 in words is "eight billion, two hundred twenty-nine million, seven hundred eighty-one thousand, two hundred forty-eight".