6627838387266 has 24 divisors (see below), whose sum is σ = 14387774110320. Its totient is φ = 2205055215576.

The previous prime is 6627838387249. The next prime is 6627838387279.

6627838387266 is a `hidden beast` number, since 66 + 278 + 3 + 8 + 38 + 7 + 266 = 666.

6627838387266 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6627838387194 and 6627838387203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352010896 + ... + 352029723.

It is an arithmetic number, because the mean of its divisors is an integer number (599490587930).

Almost surely, 2^{6627838387266} is an apocalyptic number.

6627838387266 is an abundant number, since it is smaller than the sum of its proper divisors (7759935723054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6627838387266 is a wasteful number, since it uses less digits than its factorization.

6627838387266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704041150 (or 704041147 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 72.

The spelling of 6627838387266 in words is "six trillion, six hundred twenty-seven billion, eight hundred thirty-eight million, three hundred eighty-seven thousand, two hundred sixty-six".