8268664785 has 8 divisors (see below), whose sum is σ = 13229863680. Its totient is φ = 4409954544.

The previous prime is 8268664771. The next prime is 8268664793. The reversal of 8268664785 is 5874668628.

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

It is not a de Polignac number, because 8268664785 - 2⁹ = 8268664273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275622145 + ... + 275622174.

It is an arithmetic number, because the mean of its divisors is an integer number (1653732960).

Almost surely, 2^8268664785 is an apocalyptic number.

It is an amenable number.

8268664785 is a deficient number, since it is larger than the sum of its proper divisors (4961198895).

8268664785 is a wasteful number, since it uses less digits than its factorization.

8268664785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551244327.

The product of its digits is 30965760, while the sum is 60.

The square root of 8268664785 is about 90932.1988351761. The cubic root of 8268664785 is about 2022.1426782732.

The spelling of 8268664785 in words is "eight billion, two hundred sixty-eight million, six hundred sixty-four thousand, seven hundred eighty-five".