6478986827 has 8 divisors (see below), whose sum is σ = 6524424192. Its totient is φ = 6433669800.

The previous prime is 6478986821. The next prime is 6478986847. The reversal of 6478986827 is 7286898746.

6478986827 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6478986827 - 2⁸ = 6478986571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478986821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79358 + ... + 138764.

It is an arithmetic number, because the mean of its divisors is an integer number (815553024).

Almost surely, 2^6478986827 is an apocalyptic number.

6478986827 is a deficient number, since it is larger than the sum of its proper divisors (45437365).

6478986827 is a wasteful number, since it uses less digits than its factorization.

6478986827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60169.

The product of its digits is 65028096, while the sum is 65.

The square root of 6478986827 is about 80492.1538225932. The cubic root of 6478986827 is about 1864.2423329498.

The spelling of 6478986827 in words is "six billion, four hundred seventy-eight million, nine hundred eighty-six thousand, eight hundred twenty-seven".