874554240827717 has 2 divisors, whose sum is σ = 874554240827718. Its totient is φ = 874554240827716.

The previous prime is 874554240827651. The next prime is 874554240827719. The reversal of 874554240827717 is 717728042455478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735507363417121 + 139046877410596 = 27120239^2 + 11791814^2 .

It is a cyclic number.

It is not a de Polignac number, because 874554240827717 - 2¹⁸ = 874554240565573 is a prime.

Together with 874554240827719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874554240827719) 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, 437277120413858 + 437277120413859.

It is an arithmetic number, because the mean of its divisors is an integer number (437277120413859).

Almost surely, 2^{874554240827717} is an apocalyptic number.

It is an amenable number.

874554240827717 is a deficient number, since it is larger than the sum of its proper divisors (1).

874554240827717 is an equidigital number, since it uses as much as digits as its factorization.

874554240827717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 983449600, while the sum is 71.

The spelling of 874554240827717 in words is "eight hundred seventy-four trillion, five hundred fifty-four billion, two hundred forty million, eight hundred twenty-seven thousand, seven hundred seventeen".