11477948077 has 4 divisors (see below), whose sum is σ = 11873739420. Its totient is φ = 11082156736.

The previous prime is 11477948039. The next prime is 11477948093. The reversal of 11477948077 is 77084977411.

11477948077 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 can be written as a sum of positive squares in 2 ways, for example, as 6879209481 + 4598738596 = 82941^2 + 67814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11477948077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11477948177) 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, 197895628 + ... + 197895685.

It is an arithmetic number, because the mean of its divisors is an integer number (2968434855).

Almost surely, 2^11477948077 is an apocalyptic number.

It is an amenable number.

11477948077 is a deficient number, since it is larger than the sum of its proper divisors (395791343).

11477948077 is an equidigital number, since it uses as much as digits as its factorization.

11477948077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395791342.

The product of its (nonzero) digits is 2765952, while the sum is 55.

The spelling of 11477948077 in words is "eleven billion, four hundred seventy-seven million, nine hundred forty-eight thousand, seventy-seven".