6457117577 has 2 divisors, whose sum is σ = 6457117578. Its totient is φ = 6457117576.

The previous prime is 6457117517. The next prime is 6457117609. The reversal of 6457117577 is 7757117546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6415849801 + 41267776 = 80099^2 + 6424^2 .

It is a cyclic number.

It is not a de Polignac number, because 6457117577 - 2¹⁰ = 6457116553 is a prime.

It is not a weakly prime, because it can be changed into another prime (6457117517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228558788 + 3228558789.

It is an arithmetic number, because the mean of its divisors is an integer number (3228558789).

Almost surely, 2^6457117577 is an apocalyptic number.

It is an amenable number.

6457117577 is a deficient number, since it is larger than the sum of its proper divisors (1).

6457117577 is an equidigital number, since it uses as much as digits as its factorization.

6457117577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440600, while the sum is 50.

The square root of 6457117577 is about 80356.1919020557. The cubic root of 6457117577 is about 1862.1424398481.

The spelling of 6457117577 in words is "six billion, four hundred fifty-seven million, one hundred seventeen thousand, five hundred seventy-seven".