8217068544 has 176 divisors, whose sum is σ = 24426441600. Its totient is φ = 2728747008.

The previous prime is 8217068533. The next prime is 8217068549. The reversal of 8217068544 is 4458607128.

It is a self number, because there is not a number n which added to its sum of digits gives 8217068544.

It is not an unprimeable number, because it can be changed into a prime (8217068549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12137134 + ... + 12137810.

It is an arithmetic number, because the mean of its divisors is an integer number (138786600).

Almost surely, 2^8217068544 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 8217068544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12213220800).

8217068544 is an abundant number, since it is smaller than the sum of its proper divisors (16209373056).

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

8217068544 is a wasteful number, since it uses less digits than its factorization.

8217068544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 8217068544 is about 90648.0476568580. The cubic root of 8217068544 is about 2017.9278610522.

The spelling of 8217068544 in words is "eight billion, two hundred seventeen million, sixty-eight thousand, five hundred forty-four".