8065371968 has 28 divisors (see below), whose sum is σ = 16163198052. Its totient is φ = 3992755200.

The previous prime is 8065371961. The next prime is 8065371989. The reversal of 8065371968 is 8691735608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6877053184 + 1188318784 = 82928^2 + 34472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8065371961) 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 3 ways as a sum of consecutive naturals, for example, 617405 + ... + 630332.

Almost surely, 2^8065371968 is an apocalyptic number.

It is an amenable number.

8065371968 is an abundant number, since it is smaller than the sum of its proper divisors (8097826084).

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

8065371968 is a wasteful number, since it uses less digits than its factorization.

8065371968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247850 (or 1247840 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 8065371968 is about 89807.4159966759. The cubic root of 8065371968 is about 2005.4328924764.

The spelling of 8065371968 in words is "eight billion, sixty-five million, three hundred seventy-one thousand, nine hundred sixty-eight".