12328549504877 has 2 divisors, whose sum is σ = 12328549504878. Its totient is φ = 12328549504876.

The previous prime is 12328549504787. The next prime is 12328549504879. The reversal of 12328549504877 is 77840594582321.

Together with previous prime (12328549504787) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11134274281636 + 1194275223241 = 3336806^2 + 1092829^2 .

It is a cyclic number.

It is not a de Polignac number, because 12328549504877 - 2¹⁸ = 12328549242733 is a prime.

Together with 12328549504879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12328549504879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164274752438 + 6164274752439.

It is an arithmetic number, because the mean of its divisors is an integer number (6164274752439).

Almost surely, 2^{12328549504877} is an apocalyptic number.

It is an amenable number.

12328549504877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12328549504877 is an equidigital number, since it uses as much as digits as its factorization.

12328549504877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135475200, while the sum is 65.

The spelling of 12328549504877 in words is "twelve trillion, three hundred twenty-eight billion, five hundred forty-nine million, five hundred four thousand, eight hundred seventy-seven".