6976647947 has 2 divisors, whose sum is σ = 6976647948. Its totient is φ = 6976647946.

The previous prime is 6976647893. The next prime is 6976648013. The reversal of 6976647947 is 7497466796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6976647947 - 2¹⁰ = 6976646923 is a prime.

It is not a weakly prime, because it can be changed into another prime (6976647347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488323973 + 3488323974.

It is an arithmetic number, because the mean of its divisors is an integer number (3488323974).

Almost surely, 2^6976647947 is an apocalyptic number.

6976647947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6976647947 is an equidigital number, since it uses as much as digits as its factorization.

6976647947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96018048, while the sum is 65.

The square root of 6976647947 is about 83526.3308603940. The cubic root of 6976647947 is about 1910.8016286412.

The spelling of 6976647947 in words is "six billion, nine hundred seventy-six million, six hundred forty-seven thousand, nine hundred forty-seven".