8522757248 has 64 divisors (see below), whose sum is σ = 17563029120. Its totient is φ = 4116817920.

The previous prime is 8522757247. The next prime is 8522757253. The reversal of 8522757248 is 8427572258.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×8522757248² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8522757196 and 8522757205.

It is not an unprimeable number, because it can be changed into a prime (8522757247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532661 + ... + 548427.

It is an arithmetic number, because the mean of its divisors is an integer number (274422330).

Almost surely, 2^8522757248 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 8522757248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8781514560).

8522757248 is an abundant number, since it is smaller than the sum of its proper divisors (9040271872).

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

8522757248 is a wasteful number, since it uses less digits than its factorization.

8522757248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15925 (or 15913 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 50.

The square root of 8522757248 is about 92318.7805812014. The cubic root of 8522757248 is about 2042.6472463331.

The spelling of 8522757248 in words is "eight billion, five hundred twenty-two million, seven hundred fifty-seven thousand, two hundred forty-eight".