13756380877 has 2 divisors, whose sum is σ = 13756380878. Its totient is φ = 13756380876.

The previous prime is 13756380809. The next prime is 13756380917. The reversal of 13756380877 is 77808365731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12423108681 + 1333272196 = 111459^2 + 36514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13756380877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13756380377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6878190438 + 6878190439.

It is an arithmetic number, because the mean of its divisors is an integer number (6878190439).

Almost surely, 2^13756380877 is an apocalyptic number.

It is an amenable number.

13756380877 is a deficient number, since it is larger than the sum of its proper divisors (1).

13756380877 is an equidigital number, since it uses as much as digits as its factorization.

13756380877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 13756380877 in words is "thirteen billion, seven hundred fifty-six million, three hundred eighty thousand, eight hundred seventy-seven".