5186838771 has 36 divisors (see below), whose sum is σ = 8005435152. Its totient is φ = 3235394304.

The previous prime is 5186838763. The next prime is 5186838817. The reversal of 5186838771 is 1778386815.

It is a happy number.

It is not a de Polignac number, because 5186838771 - 2³ = 5186838763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5186838271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 444210 + ... + 455736.

Almost surely, 2^5186838771 is an apocalyptic number.

5186838771 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5186838771 is a deficient number, since it is larger than the sum of its proper divisors (2818596381).

5186838771 is a wasteful number, since it uses less digits than its factorization.

5186838771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11740 (or 11720 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 5186838771 is about 72019.7109894229. The cubic root of 5186838771 is about 1731.0153384698.

The spelling of 5186838771 in words is "five billion, one hundred eighty-six million, eight hundred thirty-eight thousand, seven hundred seventy-one".