9976628767 has 4 divisors (see below), whose sum is σ = 11401861456. Its totient is φ = 8551396080.

The previous prime is 9976628713. The next prime is 9976628773. The reversal of 9976628767 is 7678266799.

9976628767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9976628767 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 (9976628267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712616334 + ... + 712616347.

It is an arithmetic number, because the mean of its divisors is an integer number (2850465364).

Almost surely, 2^9976628767 is an apocalyptic number.

9976628767 is a deficient number, since it is larger than the sum of its proper divisors (1425232689).

9976628767 is a wasteful number, since it uses less digits than its factorization.

9976628767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425232688.

The product of its digits is 96018048, while the sum is 67.

The square root of 9976628767 is about 99883.0754782811. The cubic root of 9976628767 is about 2152.7549876235.

The spelling of 9976628767 in words is "nine billion, nine hundred seventy-six million, six hundred twenty-eight thousand, seven hundred sixty-seven".