8065665608 has 96 divisors (see below), whose sum is σ = 20417002560. Its totient is φ = 2900701440.

The previous prime is 8065665581. The next prime is 8065665613.

8065665608 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65366 + ... + 142842.

It is an arithmetic number, because the mean of its divisors is an integer number (212677110).

Almost surely, 2^8065665608 is an apocalyptic number.

8065665608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8065665608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10208501280).

8065665608 is an abundant number, since it is smaller than the sum of its proper divisors (12351336952).

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

8065665608 is a wasteful number, since it uses less digits than its factorization.

8065665608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77527 (or 77510 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The square root of 8065665608 is about 89809.0508133785. The cubic root of 8065665608 is about 2005.4572297779.

The spelling of 8065665608 in words is "eight billion, sixty-five million, six hundred sixty-five thousand, six hundred eight".