9766116678 has 32 divisors (see below), whose sum is σ = 19649692800. Its totient is φ = 3235850240.

The previous prime is 9766116677. The next prime is 9766116683. The reversal of 9766116678 is 8766116679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9766116673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750673 + ... + 763571.

It is an arithmetic number, because the mean of its divisors is an integer number (614052900).

Almost surely, 2^9766116678 is an apocalyptic number.

9766116678 is an abundant number, since it is smaller than the sum of its proper divisors (9883576122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9766116678 is a wasteful number, since it uses less digits than its factorization.

9766116678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652.

The product of its digits is 4572288, while the sum is 57.

The square root of 9766116678 is about 98823.6645647185. The cubic root of 9766116678 is about 2137.5058050661.

Subtracting from 9766116678 its reverse (8766116679), we obtain a palindrome (999999999).

The spelling of 9766116678 in words is "nine billion, seven hundred sixty-six million, one hundred sixteen thousand, six hundred seventy-eight".