5605766477 has 2 divisors, whose sum is σ = 5605766478. Its totient is φ = 5605766476.

The previous prime is 5605766401. The next prime is 5605766503. The reversal of 5605766477 is 7746675065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4039110916 + 1566655561 = 63554^2 + 39581^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605766477 - 2¹⁴ = 5605750093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605766077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802883238 + 2802883239.

It is an arithmetic number, because the mean of its divisors is an integer number (2802883239).

Almost surely, 2^5605766477 is an apocalyptic number.

It is an amenable number.

5605766477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605766477 is an equidigital number, since it uses as much as digits as its factorization.

5605766477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The square root of 5605766477 is about 74871.6667171234. Note that the first 3 decimals coincide. The cubic root of 5605766477 is about 1776.4173274828.

The spelling of 5605766477 in words is "five billion, six hundred five million, seven hundred sixty-six thousand, four hundred seventy-seven".