12577823747 has 4 divisors (see below), whose sum is σ = 12870331320. Its totient is φ = 12285316176.

The previous prime is 12577823717. The next prime is 12577823767. The reversal of 12577823747 is 74732877521.

It is a happy number.

12577823747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12577823747 - 2⁶ = 12577823683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12577823707) 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 in 3 ways as a sum of consecutive naturals, for example, 146253722 + ... + 146253807.

It is an arithmetic number, because the mean of its divisors is an integer number (3217582830).

Almost surely, 2^12577823747 is an apocalyptic number.

12577823747 is a deficient number, since it is larger than the sum of its proper divisors (292507573).

12577823747 is an equidigital number, since it uses as much as digits as its factorization.

12577823747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292507572.

The product of its digits is 4609920, while the sum is 53.

The spelling of 12577823747 in words is "twelve billion, five hundred seventy-seven million, eight hundred twenty-three thousand, seven hundred forty-seven".