9976389099767 has 4 divisors (see below), whose sum is σ = 9976630367256. Its totient is φ = 9976147832280.

The previous prime is 9976389099763. The next prime is 9976389099779. The reversal of 9976389099767 is 7679909836799.

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

It is a cyclic number.

It is not a de Polignac number, because 9976389099767 - 2² = 9976389099763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976389099763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120571709 + ... + 120654422.

It is an arithmetic number, because the mean of its divisors is an integer number (2494157591814).

Almost surely, 2^{9976389099767} is an apocalyptic number.

9976389099767 is a deficient number, since it is larger than the sum of its proper divisors (241267489).

9976389099767 is a wasteful number, since it uses less digits than its factorization.

9976389099767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241267488.

The product of its (nonzero) digits is 17499289248, while the sum is 89.

The spelling of 9976389099767 in words is "nine trillion, nine hundred seventy-six billion, three hundred eighty-nine million, ninety-nine thousand, seven hundred sixty-seven".