8474254663117 has 2 divisors, whose sum is σ = 8474254663118. Its totient is φ = 8474254663116.

The previous prime is 8474254663111. The next prime is 8474254663153. The reversal of 8474254663117 is 7113664524748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7758976824036 + 715277839081 = 2785494^2 + 845741^2 .

It is a cyclic number.

It is not a de Polignac number, because 8474254663117 - 2²³ = 8474246274509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8474254663111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4237127331558 + 4237127331559.

It is an arithmetic number, because the mean of its divisors is an integer number (4237127331559).

Almost surely, 2^{8474254663117} is an apocalyptic number.

It is an amenable number.

8474254663117 is a deficient number, since it is larger than the sum of its proper divisors (1).

8474254663117 is an equidigital number, since it uses as much as digits as its factorization.

8474254663117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 58.

The spelling of 8474254663117 in words is "eight trillion, four hundred seventy-four billion, two hundred fifty-four million, six hundred sixty-three thousand, one hundred seventeen".