5077820278009 has 2 divisors, whose sum is σ = 5077820278010. Its totient is φ = 5077820278008.

The previous prime is 5077820278001. The next prime is 5077820278039. The reversal of 5077820278009 is 9008720287705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5076022518009 + 1797760000 = 2253003^2 + 42400^2 .

It is a cyclic number.

It is not a de Polignac number, because 5077820278009 - 2³ = 5077820278001 is a prime.

It is not a weakly prime, because it can be changed into another prime (5077820278001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538910139004 + 2538910139005.

It is an arithmetic number, because the mean of its divisors is an integer number (2538910139005).

Almost surely, 2^{5077820278009} is an apocalyptic number.

It is an amenable number.

5077820278009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5077820278009 is an equidigital number, since it uses as much as digits as its factorization.

5077820278009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 5077820278009 in words is "five trillion, seventy-seven billion, eight hundred twenty million, two hundred seventy-eight thousand, nine".