8568252309 has 8 divisors (see below), whose sum is σ = 11425183360. Its totient is φ = 5711744736.

The previous prime is 8568252299. The next prime is 8568252311. The reversal of 8568252309 is 9032528658.

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

It is not a de Polignac number, because 8568252309 - 2¹⁶ = 8568186773 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 (8568252379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55192 + ... + 142065.

It is an arithmetic number, because the mean of its divisors is an integer number (1428147920).

Almost surely, 2^8568252309 is an apocalyptic number.

It is an amenable number.

8568252309 is a deficient number, since it is larger than the sum of its proper divisors (2856931051).

8568252309 is a wasteful number, since it uses less digits than its factorization.

8568252309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211739.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 8568252309 is about 92564.8546101597. The cubic root of 8568252309 is about 2046.2753950964.

The spelling of 8568252309 in words is "eight billion, five hundred sixty-eight million, two hundred fifty-two thousand, three hundred nine".