4797663666847 has 4 divisors (see below), whose sum is σ = 4855466843640. Its totient is φ = 4739860490056.

The previous prime is 4797663666799. The next prime is 4797663666869. The reversal of 4797663666847 is 7486663667974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4797663666847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4797663666347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28901588272 + ... + 28901588437.

It is an arithmetic number, because the mean of its divisors is an integer number (1213866710910).

Almost surely, 2^{4797663666847} is an apocalyptic number.

4797663666847 is a deficient number, since it is larger than the sum of its proper divisors (57803176793).

4797663666847 is an equidigital number, since it uses as much as digits as its factorization.

4797663666847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803176792.

The product of its digits is 9217732608, while the sum is 79.

The spelling of 4797663666847 in words is "four trillion, seven hundred ninety-seven billion, six hundred sixty-three million, six hundred sixty-six thousand, eight hundred forty-seven".