12475785116677 has 2 divisors, whose sum is σ = 12475785116678. Its totient is φ = 12475785116676.

The previous prime is 12475785116657. The next prime is 12475785116693. The reversal of 12475785116677 is 77661158757421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8704541519716 + 3771243596961 = 2950346^2 + 1941969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12475785116677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12475785116657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237892558338 + 6237892558339.

It is an arithmetic number, because the mean of its divisors is an integer number (6237892558339).

Almost surely, 2^{12475785116677} is an apocalyptic number.

It is an amenable number.

12475785116677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12475785116677 is an equidigital number, since it uses as much as digits as its factorization.

12475785116677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138297600, while the sum is 67.

The spelling of 12475785116677 in words is "twelve trillion, four hundred seventy-five billion, seven hundred eighty-five million, one hundred sixteen thousand, six hundred seventy-seven".