5187855872 has 40 divisors (see below), whose sum is σ = 10460788800. Its totient is φ = 2570102784.

The previous prime is 5187855863. The next prime is 5187855889. The reversal of 5187855872 is 2785587815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9329 + ... + 102287.

It is an arithmetic number, because the mean of its divisors is an integer number (261519720).

Almost surely, 2^5187855872 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 5187855872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230394400).

5187855872 is an abundant number, since it is smaller than the sum of its proper divisors (5272932928).

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

5187855872 is an equidigital number, since it uses as much as digits as its factorization.

5187855872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93086 (or 93070 counting only the distinct ones).

The product of its digits is 6272000, while the sum is 56.

The square root of 5187855872 is about 72026.7719115608. The cubic root of 5187855872 is about 1731.1284775410.

The spelling of 5187855872 in words is "five billion, one hundred eighty-seven million, eight hundred fifty-five thousand, eight hundred seventy-two".