5618777 has 2 divisors, whose sum is σ = 5618778. Its totient is φ = 5618776.

The previous prime is 5618759. The next prime is 5618819. The reversal of 5618777 is 7778165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5331481 + 287296 = 2309^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 5618777 - 2⁶ = 5618713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5618707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809388 + 2809389.

It is an arithmetic number, because the mean of its divisors is an integer number (2809389).

Almost surely, 2^5618777 is an apocalyptic number.

It is an amenable number.

5618777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5618777 is an equidigital number, since it uses as much as digits as its factorization.

5618777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 41.

The square root of 5618777 is about 2370.3959584846. The cubic root of 5618777 is about 177.7790571812.

The spelling of 5618777 in words is "five million, six hundred eighteen thousand, seven hundred seventy-seven".