5278845221 has 8 divisors (see below), whose sum is σ = 5984116320. Its totient is φ = 4616317872.

The previous prime is 5278845217. The next prime is 5278845281. The reversal of 5278845221 is 1225488725.

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

It is a cyclic number.

It is not a de Polignac number, because 5278845221 - 2² = 5278845217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278845281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10685675 + ... + 10686168.

It is an arithmetic number, because the mean of its divisors is an integer number (748014540).

Almost surely, 2^5278845221 is an apocalyptic number.

It is an amenable number.

5278845221 is a deficient number, since it is larger than the sum of its proper divisors (705271099).

5278845221 is a wasteful number, since it uses less digits than its factorization.

5278845221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371875.

The product of its digits is 358400, while the sum is 44.

The square root of 5278845221 is about 72655.6620023519. The cubic root of 5278845221 is about 1741.1905822032.

The spelling of 5278845221 in words is "five billion, two hundred seventy-eight million, eight hundred forty-five thousand, two hundred twenty-one".