12277791755 has 8 divisors (see below), whose sum is σ = 14792050224. Its totient is φ = 9783100000.

The previous prime is 12277791751. The next prime is 12277791767. The reversal of 12277791755 is 55719777221.

12277791755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12277791755 - 2² = 12277791751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12277791697 and 12277791706.

It is not an unprimeable number, because it can be changed into a prime (12277791751) 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 7 ways as a sum of consecutive naturals, for example, 4890296 + ... + 4892805.

It is an arithmetic number, because the mean of its divisors is an integer number (1849006278).

Almost surely, 2^12277791755 is an apocalyptic number.

12277791755 is a deficient number, since it is larger than the sum of its proper divisors (2514258469).

12277791755 is an equidigital number, since it uses as much as digits as its factorization.

12277791755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783357.

The product of its digits is 2160900, while the sum is 53.

The spelling of 12277791755 in words is "twelve billion, two hundred seventy-seven million, seven hundred ninety-one thousand, seven hundred fifty-five".