5318872387 has 2 divisors, whose sum is σ = 5318872388. Its totient is φ = 5318872386.

The previous prime is 5318872327. The next prime is 5318872417. The reversal of 5318872387 is 7832788135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5318872387 - 2¹¹ = 5318870339 is a prime.

It is not a weakly prime, because it can be changed into another prime (5318872327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659436193 + 2659436194.

It is an arithmetic number, because the mean of its divisors is an integer number (2659436194).

Almost surely, 2^5318872387 is an apocalyptic number.

5318872387 is a deficient number, since it is larger than the sum of its proper divisors (1).

5318872387 is an equidigital number, since it uses as much as digits as its factorization.

5318872387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 52.

The square root of 5318872387 is about 72930.5997987127. The cubic root of 5318872387 is about 1745.5804000865.

The spelling of 5318872387 in words is "five billion, three hundred eighteen million, eight hundred seventy-two thousand, three hundred eighty-seven".