5187275808 has 144 divisors (see below), whose sum is σ = 16118782848. Its totient is φ = 1450944000.

The previous prime is 5187275789. The next prime is 5187275839. The reversal of 5187275808 is 8085727815.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133833 + ... + 168183.

It is an arithmetic number, because the mean of its divisors is an integer number (111935992).

Almost surely, 2^5187275808 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 5187275808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8059391424).

5187275808 is an abundant number, since it is smaller than the sum of its proper divisors (10931507040).

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

5187275808 is a wasteful number, since it uses less digits than its factorization.

5187275808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34399 (or 34380 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 51.

The square root of 5187275808 is about 72022.7450740389. The cubic root of 5187275808 is about 1731.0639548839.

The spelling of 5187275808 in words is "five billion, one hundred eighty-seven million, two hundred seventy-five thousand, eight hundred eight".