9347796977439 has 4 divisors (see below), whose sum is σ = 12463729303256. Its totient is φ = 6231864651624.

The previous prime is 9347796977437. The next prime is 9347796977447.

9347796977439 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 9347796977439 - 2¹ = 9347796977437 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 (9347796977437) 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 in 3 ways as a sum of consecutive naturals, for example, 1557966162904 + ... + 1557966162909.

It is an arithmetic number, because the mean of its divisors is an integer number (3115932325814).

Almost surely, 2^{9347796977439} is an apocalyptic number.

9347796977439 is a deficient number, since it is larger than the sum of its proper divisors (3115932325817).

9347796977439 is a wasteful number, since it uses less digits than its factorization.

9347796977439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115932325816.

The product of its digits is 13610558304, while the sum is 84.

The spelling of 9347796977439 in words is "nine trillion, three hundred forty-seven billion, seven hundred ninety-six million, nine hundred seventy-seven thousand, four hundred thirty-nine".