11773747847 has 2 divisors, whose sum is σ = 11773747848. Its totient is φ = 11773747846.

The previous prime is 11773747813. The next prime is 11773747859. The reversal of 11773747847 is 74874737711.

11773747847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11773747847 - 2²⁰ = 11772699271 is a prime.

It is a super-2 number, since 2×11773747847² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11773747792 and 11773747801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11773747807) 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 as a sum of consecutive naturals, namely, 5886873923 + 5886873924.

It is an arithmetic number, because the mean of its divisors is an integer number (5886873924).

Almost surely, 2^11773747847 is an apocalyptic number.

11773747847 is a deficient number, since it is larger than the sum of its proper divisors (1).

11773747847 is an equidigital number, since it uses as much as digits as its factorization.

11773747847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6453888, while the sum is 56.

The spelling of 11773747847 in words is "eleven billion, seven hundred seventy-three million, seven hundred forty-seven thousand, eight hundred forty-seven".