8768666 has 4 divisors (see below), whose sum is σ = 13153002. Its totient is φ = 4384332.

The previous prime is 8768657. The next prime is 8768693. The reversal of 8768666 is 6668678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6668678 = 2 ⋅3334339.

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 271441 = 2915^2 + 521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8768666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192165 + ... + 2192168.

Almost surely, 2^8768666 is an apocalyptic number.

8768666 is a deficient number, since it is larger than the sum of its proper divisors (4384336).

8768666 is a wasteful number, since it uses less digits than its factorization.

8768666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384335.

The product of its digits is 580608, while the sum is 47.

The square root of 8768666 is about 2961.1933405301. The cubic root of 8768666 is about 206.2106902739.

The spelling of 8768666 in words is "eight million, seven hundred sixty-eight thousand, six hundred sixty-six".