6847583947 has 2 divisors, whose sum is σ = 6847583948. Its totient is φ = 6847583946.

The previous prime is 6847583933. The next prime is 6847583957. The reversal of 6847583947 is 7493857486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6847583947 - 2¹¹ = 6847581899 is a prime.

It is a super-2 number, since 2×6847583947² = 93778811822424197618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6847583917) 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, 3423791973 + 3423791974.

It is an arithmetic number, because the mean of its divisors is an integer number (3423791974).

Almost surely, 2^6847583947 is an apocalyptic number.

6847583947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6847583947 is an equidigital number, since it uses as much as digits as its factorization.

6847583947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 61.

The square root of 6847583947 is about 82750.1295890224. The cubic root of 6847583947 is about 1898.9453007893.

The spelling of 6847583947 in words is "six billion, eight hundred forty-seven million, five hundred eighty-three thousand, nine hundred forty-seven".