13386157277 has 2 divisors, whose sum is σ = 13386157278. Its totient is φ = 13386157276.

The previous prime is 13386157273. The next prime is 13386157303. The reversal of 13386157277 is 77275168331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10582031161 + 2804126116 = 102869^2 + 52954^2 .

It is a cyclic number.

It is not a de Polignac number, because 13386157277 - 2² = 13386157273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13386157273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6693078638 + 6693078639.

It is an arithmetic number, because the mean of its divisors is an integer number (6693078639).

Almost surely, 2^13386157277 is an apocalyptic number.

It is an amenable number.

13386157277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13386157277 is an equidigital number, since it uses as much as digits as its factorization.

13386157277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 50.

The spelling of 13386157277 in words is "thirteen billion, three hundred eighty-six million, one hundred fifty-seven thousand, two hundred seventy-seven".