6486886847 has 16 divisors (see below), whose sum is σ = 7462828032. Its totient is φ = 5523379200.

The previous prime is 6486886817. The next prime is 6486886867. The reversal of 6486886847 is 7486886846.

It is a cyclic number.

It is not a de Polignac number, because 6486886847 - 2⁸ = 6486886591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486886817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670847 + ... + 680447.

It is an arithmetic number, because the mean of its divisors is an integer number (466426752).

Almost surely, 2^6486886847 is an apocalyptic number.

6486886847 is a deficient number, since it is larger than the sum of its proper divisors (975941185).

6486886847 is a wasteful number, since it uses less digits than its factorization.

6486886847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10238.

The product of its digits is 99090432, while the sum is 65.

The square root of 6486886847 is about 80541.2121028731. The cubic root of 6486886847 is about 1864.9997337722. Note that the first 3 decimals are identical.

Subtracting 6486886847 from its reverse (7486886846), we obtain a palindrome (999999999).

The spelling of 6486886847 in words is "six billion, four hundred eighty-six million, eight hundred eighty-six thousand, eight hundred forty-seven".