6887364656211 has 72 divisors (see below), whose sum is σ = 10843416872496. Its totient is φ = 4210517376000.

The previous prime is 6887364656209. The next prime is 6887364656257. The reversal of 6887364656211 is 1126564637886.

6887364656211 is a `hidden beast` number, since 6 + 8 + 8 + 7 + 3 + 64 + 6 + 562 + 1 + 1 = 666.

It is not a de Polignac number, because 6887364656211 - 2¹ = 6887364656209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6887364656111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 744012295 + ... + 744021551.

It is an arithmetic number, because the mean of its divisors is an integer number (150603012118).

Almost surely, 2^{6887364656211} is an apocalyptic number.

6887364656211 is a deficient number, since it is larger than the sum of its proper divisors (3956052216285).

6887364656211 is a wasteful number, since it uses less digits than its factorization.

6887364656211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12453 (or 12437 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 6887364656211 in words is "six trillion, eight hundred eighty-seven billion, three hundred sixty-four million, six hundred fifty-six thousand, two hundred eleven".