5187318336 has 84 divisors (see below), whose sum is σ = 15000279372. Its totient is φ = 1713782784.

The previous prime is 5187318299. The next prime is 5187318347. The reversal of 5187318336 is 6338137815.

It can be written as a sum of positive squares in 2 ways, for example, as 850305600 + 4337012736 = 29160^2 + 65856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5187318291 and 5187318300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25240 + ... + 104936.

Almost surely, 2^5187318336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5187318336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7500139686).

5187318336 is an abundant number, since it is smaller than the sum of its proper divisors (9812961036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5187318336 is a wasteful number, since it uses less digits than its factorization.

5187318336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79828 (or 79815 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 5187318336 is about 72023.0403134997. The cubic root of 5187318336 is about 1731.0686855935.

The spelling of 5187318336 in words is "five billion, one hundred eighty-seven million, three hundred eighteen thousand, three hundred thirty-six".