8445685768 has 48 divisors (see below), whose sum is σ = 17234208000. Its totient is φ = 3878297280.

The previous prime is 8445685753. The next prime is 8445685769. The reversal of 8445685768 is 8675865448.

It is not an unprimeable number, because it can be changed into a prime (8445685769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253353 + ... + 284743.

It is an arithmetic number, because the mean of its divisors is an integer number (359046000).

Almost surely, 2^8445685768 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 8445685768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8617104000).

8445685768 is an abundant number, since it is smaller than the sum of its proper divisors (8788522232).

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

8445685768 is a wasteful number, since it uses less digits than its factorization.

8445685768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31622 (or 31605 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 61.

The square root of 8445685768 is about 91900.4122297610. The cubic root of 8445685768 is about 2036.4713579625.

The spelling of 8445685768 in words is "eight billion, four hundred forty-five million, six hundred eighty-five thousand, seven hundred sixty-eight".