9996477791 has 2 divisors, whose sum is σ = 9996477792. Its totient is φ = 9996477790.

The previous prime is 9996477773. The next prime is 9996477839. The reversal of 9996477791 is 1977746999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9996477791 - 2¹⁰ = 9996476767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9996477191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998238895 + 4998238896.

It is an arithmetic number, because the mean of its divisors is an integer number (4998238896).

Almost surely, 2^9996477791 is an apocalyptic number.

9996477791 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996477791 is an equidigital number, since it uses as much as digits as its factorization.

9996477791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54010152, while the sum is 68.

The square root of 9996477791 is about 99982.3874039823. The cubic root of 9996477791 is about 2154.1817146867.

The spelling of 9996477791 in words is "nine billion, nine hundred ninety-six million, four hundred seventy-seven thousand, seven hundred ninety-one".