5617722779 has 2 divisors, whose sum is σ = 5617722780. Its totient is φ = 5617722778.

The previous prime is 5617722767. The next prime is 5617722829. The reversal of 5617722779 is 9772277165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5617722779 - 2⁴ = 5617722763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5617722779.

It is not a weakly prime, because it can be changed into another prime (5617722749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808861389 + 2808861390.

It is an arithmetic number, because the mean of its divisors is an integer number (2808861390).

Almost surely, 2^5617722779 is an apocalyptic number.

5617722779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5617722779 is an equidigital number, since it uses as much as digits as its factorization.

5617722779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2593080, while the sum is 53.

The square root of 5617722779 is about 74951.4694919319. The cubic root of 5617722779 is about 1777.6793790866.

The spelling of 5617722779 in words is "five billion, six hundred seventeen million, seven hundred twenty-two thousand, seven hundred seventy-nine".