5186685387 has 16 divisors (see below), whose sum is σ = 7458364928. Its totient is φ = 3187170720.

The previous prime is 5186685377. The next prime is 5186685389. The reversal of 5186685387 is 7835866815.

It is not a de Polignac number, because 5186685387 - 2⁶ = 5186685323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5186685389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69283 + ... + 123180.

It is an arithmetic number, because the mean of its divisors is an integer number (466147808).

Almost surely, 2^5186685387 is an apocalyptic number.

5186685387 is a deficient number, since it is larger than the sum of its proper divisors (2271679541).

5186685387 is a wasteful number, since it uses less digits than its factorization.

5186685387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193170.

The product of its digits is 9676800, while the sum is 57.

The square root of 5186685387 is about 72018.6461064077. The cubic root of 5186685387 is about 1730.9982752395.

The spelling of 5186685387 in words is "five billion, one hundred eighty-six million, six hundred eighty-five thousand, three hundred eighty-seven".