5616727777657 has 2 divisors, whose sum is σ = 5616727777658. Its totient is φ = 5616727777656.

The previous prime is 5616727777649. The next prime is 5616727777679. The reversal of 5616727777657 is 7567777276165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3987865217296 + 1628862560361 = 1996964^2 + 1276269^2 .

It is a cyclic number.

It is not a de Polignac number, because 5616727777657 - 2³ = 5616727777649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5616727777657.

It is not a weakly prime, because it can be changed into another prime (5616727777637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808363888828 + 2808363888829.

It is an arithmetic number, because the mean of its divisors is an integer number (2808363888829).

Almost surely, 2^{5616727777657} is an apocalyptic number.

It is an amenable number.

5616727777657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5616727777657 is an equidigital number, since it uses as much as digits as its factorization.

5616727777657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270609200, while the sum is 73.

The spelling of 5616727777657 in words is "five trillion, six hundred sixteen billion, seven hundred twenty-seven million, seven hundred seventy-seven thousand, six hundred fifty-seven".