13786127077 has 2 divisors, whose sum is σ = 13786127078. Its totient is φ = 13786127076.

The previous prime is 13786127057. The next prime is 13786127081. The reversal of 13786127077 is 77072168731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9665642596 + 4120484481 = 98314^2 + 64191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13786127077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13786127077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13786127057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893063538 + 6893063539.

It is an arithmetic number, because the mean of its divisors is an integer number (6893063539).

Almost surely, 2^13786127077 is an apocalyptic number.

It is an amenable number.

13786127077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13786127077 is an equidigital number, since it uses as much as digits as its factorization.

13786127077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691488, while the sum is 49.

The spelling of 13786127077 in words is "thirteen billion, seven hundred eighty-six million, one hundred twenty-seven thousand, seventy-seven".