5077820278001 has 2 divisors, whose sum is σ = 5077820278002. Its totient is φ = 5077820278000.

The previous prime is 5077820277991. The next prime is 5077820278009. The reversal of 5077820278001 is 1008720287705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4923961000000 + 153859278001 = 2219000^2 + 392249^2 .

It is a cyclic number.

It is not a de Polignac number, because 5077820278001 - 2³⁸ = 4802942371057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5077820278009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538910139000 + 2538910139001.

It is an arithmetic number, because the mean of its divisors is an integer number (2538910139001).

Almost surely, 2^{5077820278001} is an apocalyptic number.

It is an amenable number.

5077820278001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5077820278001 is an equidigital number, since it uses as much as digits as its factorization.

5077820278001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 439040, while the sum is 47.

The spelling of 5077820278001 in words is "five trillion, seventy-seven billion, eight hundred twenty million, two hundred seventy-eight thousand, one".