11423577777 has 4 divisors (see below), whose sum is σ = 15231437040. Its totient is φ = 7615718516.

The previous prime is 11423577749. The next prime is 11423577793. The reversal of 11423577777 is 77777532411.

It is a happy number.

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 11423577777 - 2⁶ = 11423577713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11423577707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903929627 + ... + 1903929632.

It is an arithmetic number, because the mean of its divisors is an integer number (3807859260).

Almost surely, 2^11423577777 is an apocalyptic number.

It is an amenable number.

11423577777 is a deficient number, since it is larger than the sum of its proper divisors (3807859263).

11423577777 is an equidigital number, since it uses as much as digits as its factorization.

11423577777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807859262.

The product of its digits is 2016840, while the sum is 51.

The spelling of 11423577777 in words is "eleven billion, four hundred twenty-three million, five hundred seventy-seven thousand, seven hundred seventy-seven".