6117768947 has 2 divisors, whose sum is σ = 6117768948. Its totient is φ = 6117768946.

The previous prime is 6117768913. The next prime is 6117768967. The reversal of 6117768947 is 7498677116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6117768947 - 2⁸ = 6117768691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6117768892 and 6117768901.

It is not a weakly prime, because it can be changed into another prime (6117768967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058884473 + 3058884474.

It is an arithmetic number, because the mean of its divisors is an integer number (3058884474).

Almost surely, 2^6117768947 is an apocalyptic number.

6117768947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6117768947 is an equidigital number, since it uses as much as digits as its factorization.

6117768947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 56.

The square root of 6117768947 is about 78216.1680664554. The cubic root of 6117768947 is about 1828.9325542405.

The spelling of 6117768947 in words is "six billion, one hundred seventeen million, seven hundred sixty-eight thousand, nine hundred forty-seven".