8061275609 has 8 divisors (see below), whose sum is σ = 8453489160. Its totient is φ = 7676678016.

The previous prime is 8061275591. The next prime is 8061275653. The reversal of 8061275609 is 9065721608.

It can be written as a sum of positive squares in 4 ways, for example, as 2945449984 + 5115825625 = 54272^2 + 71525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8061275609 - 2⁸ = 8061275353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8061275609.

It is not an unprimeable number, because it can be changed into a prime (8061275809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901822 + ... + 1906055.

It is an arithmetic number, because the mean of its divisors is an integer number (1056686145).

Almost surely, 2^8061275609 is an apocalyptic number.

It is an amenable number.

8061275609 is a deficient number, since it is larger than the sum of its proper divisors (392213551).

8061275609 is a wasteful number, since it uses less digits than its factorization.

8061275609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807979.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 8061275609 is about 89784.6067485958. The cubic root of 8061275609 is about 2005.0933187910.

The spelling of 8061275609 in words is "eight billion, sixty-one million, two hundred seventy-five thousand, six hundred nine".