8456441043877 has 2 divisors, whose sum is σ = 8456441043878. Its totient is φ = 8456441043876.

The previous prime is 8456441043731. The next prime is 8456441043889. The reversal of 8456441043877 is 7783401446548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8372000820481 + 84440223396 = 2893441^2 + 290586^2 .

It is a cyclic number.

It is not a de Polignac number, because 8456441043877 - 2¹⁹ = 8456440519589 is a prime.

It is a super-2 number, since 2×8456441043877² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8456441047877) 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, 4228220521938 + 4228220521939.

It is an arithmetic number, because the mean of its divisors is an integer number (4228220521939).

Almost surely, 2^{8456441043877} is an apocalyptic number.

It is an amenable number.

8456441043877 is a deficient number, since it is larger than the sum of its proper divisors (1).

8456441043877 is an equidigital number, since it uses as much as digits as its factorization.

8456441043877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72253440, while the sum is 61.

The spelling of 8456441043877 in words is "eight trillion, four hundred fifty-six billion, four hundred forty-one million, forty-three thousand, eight hundred seventy-seven".