5387381185 has 8 divisors (see below), whose sum is σ = 6687783720. Its totient is φ = 4161287424.

The previous prime is 5387381183. The next prime is 5387381203. The reversal of 5387381185 is 5811837835.

It can be written as a sum of positive squares in 4 ways, for example, as 1836293904 + 3551087281 = 42852^2 + 59591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5387381185 - 2¹ = 5387381183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5387381183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18577032 + ... + 18577321.

It is an arithmetic number, because the mean of its divisors is an integer number (835972965).

Almost surely, 2^5387381185 is an apocalyptic number.

It is an amenable number.

5387381185 is a deficient number, since it is larger than the sum of its proper divisors (1300402535).

5387381185 is a wasteful number, since it uses less digits than its factorization.

5387381185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37154387.

The product of its digits is 806400, while the sum is 49.

The square root of 5387381185 is about 73398.7819040616. The cubic root of 5387381185 is about 1753.0429978432.

The spelling of 5387381185 in words is "five billion, three hundred eighty-seven million, three hundred eighty-one thousand, one hundred eighty-five".