5777780017 has 2 divisors, whose sum is σ = 5777780018. Its totient is φ = 5777780016.

The previous prime is 5777780009. The next prime is 5777780033. The reversal of 5777780017 is 7100877775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5310182641 + 467597376 = 72871^2 + 21624^2 .

It is a cyclic number.

It is not a de Polignac number, because 5777780017 - 2³ = 5777780009 is a prime.

It is not a weakly prime, because it can be changed into another prime (5777780087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888890008 + 2888890009.

It is an arithmetic number, because the mean of its divisors is an integer number (2888890009).

Almost surely, 2^5777780017 is an apocalyptic number.

It is an amenable number.

5777780017 is a deficient number, since it is larger than the sum of its proper divisors (1).

5777780017 is an equidigital number, since it uses as much as digits as its factorization.

5777780017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672280, while the sum is 49.

The square root of 5777780017 is about 76011.7097360663. The cubic root of 5777780017 is about 1794.4044358408.

The spelling of 5777780017 in words is "five billion, seven hundred seventy-seven million, seven hundred eighty thousand, seventeen".