5078209867 has 2 divisors, whose sum is σ = 5078209868. Its totient is φ = 5078209866.

The previous prime is 5078209861. The next prime is 5078209901. The reversal of 5078209867 is 7689028705.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5078209867 is a prime.

It is not a weakly prime, because it can be changed into another prime (5078209861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539104933 + 2539104934.

It is an arithmetic number, because the mean of its divisors is an integer number (2539104934).

Almost surely, 2^5078209867 is an apocalyptic number.

5078209867 is a deficient number, since it is larger than the sum of its proper divisors (1).

5078209867 is an equidigital number, since it uses as much as digits as its factorization.

5078209867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 5078209867 is about 71261.5595324716. The cubic root of 5078209867 is about 1718.8456590073.

The spelling of 5078209867 in words is "five billion, seventy-eight million, two hundred nine thousand, eight hundred sixty-seven".