5278191285 has 32 divisors (see below), whose sum is σ = 8732132352. Its totient is φ = 2719664640.

The previous prime is 5278191283. The next prime is 5278191299. The reversal of 5278191285 is 5821918725.

It is not a de Polignac number, because 5278191285 - 2¹ = 5278191283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278191283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277707 + ... + 296103.

It is an arithmetic number, because the mean of its divisors is an integer number (272879136).

Almost surely, 2^5278191285 is an apocalyptic number.

It is an amenable number.

5278191285 is a deficient number, since it is larger than the sum of its proper divisors (3453941067).

5278191285 is a wasteful number, since it uses less digits than its factorization.

5278191285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19053.

The product of its digits is 403200, while the sum is 48.

The square root of 5278191285 is about 72651.1616218213. The cubic root of 5278191285 is about 1741.1186804787.

The spelling of 5278191285 in words is "five billion, two hundred seventy-eight million, one hundred ninety-one thousand, two hundred eighty-five".