13348970777 has 2 divisors, whose sum is σ = 13348970778. Its totient is φ = 13348970776.

The previous prime is 13348970753. The next prime is 13348970801. The reversal of 13348970777 is 77707984331.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13348970753) and next prime (13348970801).

It can be written as a sum of positive squares in only one way, i.e., 9659744656 + 3689226121 = 98284^2 + 60739^2 .

It is a cyclic number.

It is not a de Polignac number, because 13348970777 - 2²⁰ = 13347922201 is a prime.

It is not a weakly prime, because it can be changed into another prime (13348970717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6674485388 + 6674485389.

It is an arithmetic number, because the mean of its divisors is an integer number (6674485389).

Almost surely, 2^13348970777 is an apocalyptic number.

It is an amenable number.

13348970777 is a deficient number, since it is larger than the sum of its proper divisors (1).

13348970777 is an equidigital number, since it uses as much as digits as its factorization.

13348970777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6223392, while the sum is 56.

The spelling of 13348970777 in words is "thirteen billion, three hundred forty-eight million, nine hundred seventy thousand, seven hundred seventy-seven".