5477779 has 2 divisors, whose sum is σ = 5477780. Its totient is φ = 5477778.

The previous prime is 5477777. The next prime is 5477783. The reversal of 5477779 is 9777745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5477779 - 2¹ = 5477777 is a prime.

Together with 5477777, it forms a pair of twin primes.

5477779 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5477777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2738889 + 2738890.

It is an arithmetic number, because the mean of its divisors is an integer number (2738890).

Almost surely, 2^5477779 is an apocalyptic number.

5477779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5477779 is an equidigital number, since it uses as much as digits as its factorization.

5477779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432180, while the sum is 46.

The square root of 5477779 is about 2340.4655519789. The cubic root of 5477779 is about 176.2793750814.

The spelling of 5477779 in words is "five million, four hundred seventy-seven thousand, seven hundred seventy-nine".