8267528568 has 128 divisors (see below), whose sum is σ = 23343566400. Its totient is φ = 2422296576.

The previous prime is 8267528557. The next prime is 8267528569. The reversal of 8267528568 is 8658257628.

It is a super-2 number, since 2×8267528568² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8267528569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654246 + ... + 666762.

Almost surely, 2^8267528568 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 8267528568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11671783200).

8267528568 is an abundant number, since it is smaller than the sum of its proper divisors (15076037832).

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

8267528568 is a wasteful number, since it uses less digits than its factorization.

8267528568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641 (or 12637 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The square root of 8267528568 is about 90925.9510150980. The cubic root of 8267528568 is about 2022.0500515434.

The spelling of 8267528568 in words is "eight billion, two hundred sixty-seven million, five hundred twenty-eight thousand, five hundred sixty-eight".