5278191286 has 8 divisors (see below), whose sum is σ = 8047078704. Its totient is φ = 2595831720.

The previous prime is 5278191283. The next prime is 5278191299. The reversal of 5278191286 is 6821918725.

It is a happy number.

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

It is a super-3 number, since 3×5278191286³ (a number of 30 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 21631810 + ... + 21632053.

It is an arithmetic number, because the mean of its divisors is an integer number (1005884838).

Almost surely, 2^5278191286 is an apocalyptic number.

5278191286 is a deficient number, since it is larger than the sum of its proper divisors (2768887418).

5278191286 is a wasteful number, since it uses less digits than its factorization.

5278191286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43263926.

The product of its digits is 483840, while the sum is 49.

The square root of 5278191286 is about 72651.1616287035. The cubic root of 5278191286 is about 1741.1186805886.

The spelling of 5278191286 in words is "five billion, two hundred seventy-eight million, one hundred ninety-one thousand, two hundred eighty-six".