5184247987 has 2 divisors, whose sum is σ = 5184247988. Its totient is φ = 5184247986.

The previous prime is 5184247973. The next prime is 5184248009. The reversal of 5184247987 is 7897424815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5184247987 - 2²³ = 5175859379 is a prime.

It is not a weakly prime, because it can be changed into another prime (5184247927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592123993 + 2592123994.

It is an arithmetic number, because the mean of its divisors is an integer number (2592123994).

Almost surely, 2^5184247987 is an apocalyptic number.

5184247987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5184247987 is an equidigital number, since it uses as much as digits as its factorization.

5184247987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 55.

The square root of 5184247987 is about 72001.7221113495. The cubic root of 5184247987 is about 1730.7270810850.

The spelling of 5184247987 in words is "five billion, one hundred eighty-four million, two hundred forty-seven thousand, nine hundred eighty-seven".