8768449309 has 4 divisors (see below), whose sum is σ = 9070809660. Its totient is φ = 8466088960.

The previous prime is 8768449303. The next prime is 8768449409. The reversal of 8768449309 is 9039448678.

8768449309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6934725625 + 1833723684 = 83275^2 + 42822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8768449309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8768449303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151180132 + ... + 151180189.

It is an arithmetic number, because the mean of its divisors is an integer number (2267702415).

Almost surely, 2^8768449309 is an apocalyptic number.

It is an amenable number.

8768449309 is a deficient number, since it is larger than the sum of its proper divisors (302360351).

8768449309 is a wasteful number, since it uses less digits than its factorization.

8768449309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302360350.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The square root of 8768449309 is about 93639.9984461768. The cubic root of 8768449309 is about 2062.0899163583.

The spelling of 8768449309 in words is "eight billion, seven hundred sixty-eight million, four hundred forty-nine thousand, three hundred nine".