5185078247 has 2 divisors, whose sum is σ = 5185078248. Its totient is φ = 5185078246.

The previous prime is 5185078231. The next prime is 5185078289. The reversal of 5185078247 is 7428705815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5185078247 - 2⁴ = 5185078231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185078747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592539123 + 2592539124.

It is an arithmetic number, because the mean of its divisors is an integer number (2592539124).

Almost surely, 2^5185078247 is an apocalyptic number.

5185078247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185078247 is an equidigital number, since it uses as much as digits as its factorization.

5185078247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 627200, while the sum is 47.

The square root of 5185078247 is about 72007.4874370714. The cubic root of 5185078247 is about 1730.8194684327.

The spelling of 5185078247 in words is "five billion, one hundred eighty-five million, seventy-eight thousand, two hundred forty-seven".