8193727065 has 32 divisors (see below), whose sum is σ = 13886505216. Its totient is φ = 4111339520.

The previous prime is 8193727037. The next prime is 8193727079. The reversal of 8193727065 is 5607273918.

It is not a de Polignac number, because 8193727065 - 2⁵ = 8193727033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931729 + ... + 940481.

It is an arithmetic number, because the mean of its divisors is an integer number (433953288).

Almost surely, 2^8193727065 is an apocalyptic number.

8193727065 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8193727065 is a deficient number, since it is larger than the sum of its proper divisors (5692778151).

8193727065 is a wasteful number, since it uses less digits than its factorization.

8193727065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 8193727065 is about 90519.2082654284. The cubic root of 8193727065 is about 2016.0153343013.

The spelling of 8193727065 in words is "eight billion, one hundred ninety-three million, seven hundred twenty-seven thousand, sixty-five".