9976782876799 has 8 divisors (see below), whose sum is σ = 10679874624000. Its totient is φ = 9291490920792.

The previous prime is 9976782876757. The next prime is 9976782876817.

9976782876799 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 9976782876799 - 2⁹ = 9976782876287 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 (9976782870799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4449946639 + ... + 4449948880.

It is an arithmetic number, because the mean of its divisors is an integer number (1334984328000).

Almost surely, 2^{9976782876799} is an apocalyptic number.

9976782876799 is a deficient number, since it is larger than the sum of its proper divisors (703091747201).

9976782876799 is a wasteful number, since it uses less digits than its factorization.

9976782876799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899895597.

The product of its digits is 72589644288, while the sum is 94.

The spelling of 9976782876799 in words is "nine trillion, nine hundred seventy-six billion, seven hundred eighty-two million, eight hundred seventy-six thousand, seven hundred ninety-nine".