8064221727 has 4 divisors (see below), whose sum is σ = 10752295640. Its totient is φ = 5376147816.

The previous prime is 8064221717. The next prime is 8064221747. The reversal of 8064221727 is 7271224608.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8064221727 - 2⁶ = 8064221663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8064221717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344036952 + ... + 1344036957.

It is an arithmetic number, because the mean of its divisors is an integer number (2688073910).

Almost surely, 2^8064221727 is an apocalyptic number.

8064221727 is a deficient number, since it is larger than the sum of its proper divisors (2688073913).

8064221727 is a wasteful number, since it uses less digits than its factorization.

8064221727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688073912.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 8064221727 is about 89801.0118372839. The cubic root of 8064221727 is about 2005.3375531744.

The spelling of 8064221727 in words is "eight billion, sixty-four million, two hundred twenty-one thousand, seven hundred twenty-seven".