5278127845 has 8 divisors (see below), whose sum is σ = 6338139264. Its totient is φ = 4219578384.

The previous prime is 5278127773. The next prime is 5278127879. The reversal of 5278127845 is 5487218725.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5278127845 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 357529 + ... + 371998.

It is an arithmetic number, because the mean of its divisors is an integer number (792267408).

Almost surely, 2^5278127845 is an apocalyptic number.

It is an amenable number.

5278127845 is a deficient number, since it is larger than the sum of its proper divisors (1060011419).

5278127845 is a wasteful number, since it uses less digits than its factorization.

5278127845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730979.

The product of its digits is 1254400, while the sum is 49.

The square root of 5278127845 is about 72650.7250135881. The cubic root of 5278127845 is about 1741.1117047929. Note that the first 3 decimals are identical.

The spelling of 5278127845 in words is "five billion, two hundred seventy-eight million, one hundred twenty-seven thousand, eight hundred forty-five".