12453760777 has 2 divisors, whose sum is σ = 12453760778. Its totient is φ = 12453760776.

The previous prime is 12453760723. The next prime is 12453760801. The reversal of 12453760777 is 77706735421.

12453760777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8074100736 + 4379660041 = 89856^2 + 66179^2 .

It is a cyclic number.

It is not a de Polignac number, because 12453760777 - 2¹⁵ = 12453728009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12453760777.

It is not a weakly prime, because it can be changed into another prime (12453760717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226880388 + 6226880389.

It is an arithmetic number, because the mean of its divisors is an integer number (6226880389).

Almost surely, 2^12453760777 is an apocalyptic number.

It is an amenable number.

12453760777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453760777 is an equidigital number, since it uses as much as digits as its factorization.

12453760777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 12453760777 in words is "twelve billion, four hundred fifty-three million, seven hundred sixty thousand, seven hundred seventy-seven".