5200778243 has 2 divisors, whose sum is σ = 5200778244. Its totient is φ = 5200778242.

The previous prime is 5200778237. The next prime is 5200778263. The reversal of 5200778243 is 3428770025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5200778243 - 2¹⁴ = 5200761859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5200778197 and 5200778206.

It is not a weakly prime, because it can be changed into another prime (5200778213) 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, 2600389121 + 2600389122.

It is an arithmetic number, because the mean of its divisors is an integer number (2600389122).

Almost surely, 2^5200778243 is an apocalyptic number.

5200778243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200778243 is an equidigital number, since it uses as much as digits as its factorization.

5200778243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 5200778243 is about 72116.4214517054. The cubic root of 5200778243 is about 1732.5646351551.

The spelling of 5200778243 in words is "five billion, two hundred million, seven hundred seventy-eight thousand, two hundred forty-three".