12328810077 has 4 divisors (see below), whose sum is σ = 16438413440. Its totient is φ = 8219206716.

The previous prime is 12328810069. The next prime is 12328810111. The reversal of 12328810077 is 77001882321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12328810077 - 2³ = 12328810069 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 (12328850077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054801677 + ... + 2054801682.

It is an arithmetic number, because the mean of its divisors is an integer number (4109603360).

Almost surely, 2^12328810077 is an apocalyptic number.

It is an amenable number.

12328810077 is a deficient number, since it is larger than the sum of its proper divisors (4109603363).

12328810077 is an equidigital number, since it uses as much as digits as its factorization.

12328810077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109603362.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 12328810077 in words is "twelve billion, three hundred twenty-eight million, eight hundred ten thousand, seventy-seven".