8666304047 has 12 divisors (see below), whose sum is σ = 9200710080. Its totient is φ = 8134691328.

The previous prime is 8666304043. The next prime is 8666304071. The reversal of 8666304047 is 7404036668.

It is a happy number.

It is not a de Polignac number, because 8666304047 - 2² = 8666304043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8666303989 and 8666304007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666304043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3185954 + ... + 3188672.

It is an arithmetic number, because the mean of its divisors is an integer number (766725840).

Almost surely, 2^8666304047 is an apocalyptic number.

8666304047 is a deficient number, since it is larger than the sum of its proper divisors (534406033).

8666304047 is an equidigital number, since it uses as much as digits as its factorization.

8666304047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 8666304047 is about 93092.9860247269. The cubic root of 8666304047 is about 2054.0514007800.

The spelling of 8666304047 in words is "eight billion, six hundred sixty-six million, three hundred four thousand, forty-seven".