5278838313 has 16 divisors (see below), whose sum is σ = 8175814016. Its totient is φ = 2967027840.

The previous prime is 5278838297. The next prime is 5278838347. The reversal of 5278838313 is 3138388725.

It is not a de Polignac number, because 5278838313 - 2⁴ = 5278838297 is a prime.

It is a super-2 number, since 2×5278838313² = 55732267869593371938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5278836313) 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, 2059156 + ... + 2061717.

It is an arithmetic number, because the mean of its divisors is an integer number (510988376).

Almost surely, 2^5278838313 is an apocalyptic number.

It is an amenable number.

5278838313 is a deficient number, since it is larger than the sum of its proper divisors (2896975703).

5278838313 is a wasteful number, since it uses less digits than its factorization.

5278838313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120944.

The product of its digits is 967680, while the sum is 48.

The square root of 5278838313 is about 72655.6144630269. The cubic root of 5278838313 is about 1741.1898226842.

The spelling of 5278838313 in words is "five billion, two hundred seventy-eight million, eight hundred thirty-eight thousand, three hundred thirteen".