8446746817 has 2 divisors, whose sum is σ = 8446746818. Its totient is φ = 8446746816.

The previous prime is 8446746797. The next prime is 8446746821. The reversal of 8446746817 is 7186476448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5299985601 + 3146761216 = 72801^2 + 56096^2 .

It is a cyclic number.

It is not a de Polignac number, because 8446746817 - 2⁷ = 8446746689 is a prime.

It is not a weakly prime, because it can be changed into another prime (8446746827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4223373408 + 4223373409.

It is an arithmetic number, because the mean of its divisors is an integer number (4223373409).

Almost surely, 2^8446746817 is an apocalyptic number.

It is an amenable number.

8446746817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8446746817 is an equidigital number, since it uses as much as digits as its factorization.

8446746817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7225344, while the sum is 55.

The square root of 8446746817 is about 91906.1848680490. The cubic root of 8446746817 is about 2036.5566364300.

The spelling of 8446746817 in words is "eight billion, four hundred forty-six million, seven hundred forty-six thousand, eight hundred seventeen".