41878212806789 has 2 divisors, whose sum is σ = 41878212806790. Its totient is φ = 41878212806788.

The previous prime is 41878212806737. The next prime is 41878212806813. The reversal of 41878212806789 is 98760821287814.

41878212806789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41862841022500 + 15371784289 = 6470150^2 + 123983^2 .

It is a cyclic number.

It is not a de Polignac number, because 41878212806789 - 2⁸ = 41878212806533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41878212806719) 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, 20939106403394 + 20939106403395.

It is an arithmetic number, because the mean of its divisors is an integer number (20939106403395).

Almost surely, 2^{41878212806789} is an apocalyptic number.

It is an amenable number.

41878212806789 is a deficient number, since it is larger than the sum of its proper divisors (1).

41878212806789 is an equidigital number, since it uses as much as digits as its factorization.

41878212806789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 173408256, while the sum is 71.

The spelling of 41878212806789 in words is "forty-one trillion, eight hundred seventy-eight billion, two hundred twelve million, eight hundred six thousand, seven hundred eighty-nine".