6887364656212 has 48 divisors (see below), whose sum is σ = 12262776042832. Its totient is φ = 3384070410240.

The previous prime is 6887364656209. The next prime is 6887364656257. The reversal of 6887364656212 is 2126564637886.

It can be written as a sum of positive squares in 8 ways, for example, as 2462627164176 + 4424737492036 = 1569276^2 + 2103506^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208457758 + ... + 208490794.

Almost surely, 2^{6887364656212} is an apocalyptic number.

It is an amenable number.

6887364656212 is a deficient number, since it is larger than the sum of its proper divisors (5375411386620).

6887364656212 is a wasteful number, since it uses less digits than its factorization.

6887364656212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35708 (or 35706 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 64.

The spelling of 6887364656212 in words is "six trillion, eight hundred eighty-seven billion, three hundred sixty-four million, six hundred fifty-six thousand, two hundred twelve".