12277717873 has 4 divisors (see below), whose sum is σ = 12278724928. Its totient is φ = 12276710820.

The previous prime is 12277717871. The next prime is 12277717891. The reversal of 12277717873 is 37871777221.

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 a cyclic number.

It is not a de Polignac number, because 12277717873 - 2¹ = 12277717871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12277717873.

It is not an unprimeable number, because it can be changed into a prime (12277717871) 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, 485013 + ... + 509698.

It is an arithmetic number, because the mean of its divisors is an integer number (3069681232).

Almost surely, 2^12277717873 is an apocalyptic number.

It is an amenable number.

12277717873 is a deficient number, since it is larger than the sum of its proper divisors (1007055).

12277717873 is an equidigital number, since it uses as much as digits as its factorization.

12277717873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007054.

The product of its digits is 1613472, while the sum is 52.

The spelling of 12277717873 in words is "twelve billion, two hundred seventy-seven million, seven hundred seventeen thousand, eight hundred seventy-three".