11477779 has 2 divisors, whose sum is σ = 11477780. Its totient is φ = 11477778.

The previous prime is 11477777. The next prime is 11477797. The reversal of 11477779 is 97777411.

11477779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (11477797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (97777411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11477779 - 2¹ = 11477777 is a prime.

Together with 11477777, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11477777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5738889 + 5738890.

It is an arithmetic number, because the mean of its divisors is an integer number (5738890).

Almost surely, 2^11477779 is an apocalyptic number.

11477779 is a deficient number, since it is larger than the sum of its proper divisors (1).

11477779 is an equidigital number, since it uses as much as digits as its factorization.

11477779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86436, while the sum is 43.

The square root of 11477779 is about 3387.8870996537. The cubic root of 11477779 is about 225.5723960974.

The spelling of 11477779 in words is "eleven million, four hundred seventy-seven thousand, seven hundred seventy-nine".