6696799947 has 12 divisors (see below), whose sum is σ = 9676204200. Its totient is φ = 4463126208.

The previous prime is 6696799937. The next prime is 6696799981. The reversal of 6696799947 is 7499976966.

6696799947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6696799947 - 2⁴ = 6696799931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6696799937) 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 11 ways as a sum of consecutive naturals, for example, 86697 + ... + 144602.

It is an arithmetic number, because the mean of its divisors is an integer number (806350350).

Almost surely, 2^6696799947 is an apocalyptic number.

6696799947 is a deficient number, since it is larger than the sum of its proper divisors (2979404253).

6696799947 is a wasteful number, since it uses less digits than its factorization.

6696799947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234522 (or 234519 counting only the distinct ones).

The product of its digits is 277766496, while the sum is 72.

The square root of 6696799947 is about 81833.9779492602. The cubic root of 6696799947 is about 1884.9034463322.

The spelling of 6696799947 in words is "six billion, six hundred ninety-six million, seven hundred ninety-nine thousand, nine hundred forty-seven".