8105328272 has 20 divisors (see below), whose sum is σ = 16627843116. Its totient is φ = 3814272000.

The previous prime is 8105328251. The next prime is 8105328281. The reversal of 8105328272 is 2728235018.

It can be written as a sum of positive squares in 2 ways, for example, as 4484177296 + 3621150976 = 66964^2 + 60176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14899229 + ... + 14899772.

Almost surely, 2^8105328272 is an apocalyptic number.

It is an amenable number.

8105328272 is an abundant number, since it is smaller than the sum of its proper divisors (8522514844).

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

8105328272 is a wasteful number, since it uses less digits than its factorization.

8105328272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29799026 (or 29799020 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 8105328272 is about 90029.5966446590. The cubic root of 8105328272 is about 2008.7391143217.

The spelling of 8105328272 in words is "eight billion, one hundred five million, three hundred twenty-eight thousand, two hundred seventy-two".