12327644157 has 8 divisors (see below), whose sum is σ = 16819111584. Its totient is φ = 8027303088.

The previous prime is 12327644149. The next prime is 12327644179. The reversal of 12327644157 is 75144672321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12327644157 - 2³ = 12327644149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12327644117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47781438 + ... + 47781695.

It is an arithmetic number, because the mean of its divisors is an integer number (2102388948).

Almost surely, 2^12327644157 is an apocalyptic number.

It is an amenable number.

12327644157 is a deficient number, since it is larger than the sum of its proper divisors (4491467427).

12327644157 is an equidigital number, since it uses as much as digits as its factorization.

12327644157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95563179.

The product of its digits is 282240, while the sum is 42.

The spelling of 12327644157 in words is "twelve billion, three hundred twenty-seven million, six hundred forty-four thousand, one hundred fifty-seven".