104343773777857 has 2 divisors, whose sum is σ = 104343773777858. Its totient is φ = 104343773777856.

The previous prime is 104343773777809. The next prime is 104343773777879. The reversal of 104343773777857 is 758777377343401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91100171818881 + 13243601958976 = 9544641^2 + 3639176^2 .

It is a cyclic number.

It is not a de Polignac number, because 104343773777857 - 2¹¹ = 104343773775809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104343773777857.

It is not a weakly prime, because it can be changed into another prime (104343773777557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52171886888928 + 52171886888929.

It is an arithmetic number, because the mean of its divisors is an integer number (52171886888929).

Almost surely, 2^{104343773777857} is an apocalyptic number.

It is an amenable number.

104343773777857 is a deficient number, since it is larger than the sum of its proper divisors (1).

104343773777857 is an equidigital number, since it uses as much as digits as its factorization.

104343773777857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032974720, while the sum is 73.

The spelling of 104343773777857 in words is "one hundred four trillion, three hundred forty-three billion, seven hundred seventy-three million, seven hundred seventy-seven thousand, eight hundred fifty-seven".