9766020866 has 32 divisors (see below), whose sum is σ = 17304053760. Its totient is φ = 4047008976.

The previous prime is 9766020863. The next prime is 9766020899. The reversal of 9766020866 is 6680206679.

It is not an unprimeable number, because it can be changed into a prime (9766020863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34796 + ... + 144023.

It is an arithmetic number, because the mean of its divisors is an integer number (540751680).

Almost surely, 2^9766020866 is an apocalyptic number.

9766020866 is a deficient number, since it is larger than the sum of its proper divisors (7538032894).

9766020866 is a wasteful number, since it uses less digits than its factorization.

9766020866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178958.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 9766020866 is about 98823.1798010973. The cubic root of 9766020866 is about 2137.4988149327.

The spelling of 9766020866 in words is "nine billion, seven hundred sixty-six million, twenty thousand, eight hundred sixty-six".