12328716877 has 12 divisors (see below), whose sum is σ = 12590931996. Its totient is φ = 12071720960.

The previous prime is 12328716821. The next prime is 12328716923. The reversal of 12328716877 is 77861782321.

It can be written as a sum of positive squares in 2 ways, for example, as 10286219241 + 2042497636 = 101421^2 + 45194^2 .

It is not a de Polignac number, because 12328716877 - 2¹⁹ = 12328192589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328716677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887727 + ... + 901507.

It is an arithmetic number, because the mean of its divisors is an integer number (1049244333).

Almost surely, 2^12328716877 is an apocalyptic number.

It is an amenable number.

12328716877 is a deficient number, since it is larger than the sum of its proper divisors (262215119).

12328716877 is an equidigital number, since it uses as much as digits as its factorization.

12328716877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156 (or 14097 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 52.

The spelling of 12328716877 in words is "twelve billion, three hundred twenty-eight million, seven hundred sixteen thousand, eight hundred seventy-seven".