6687338627 has 2 divisors, whose sum is σ = 6687338628. Its totient is φ = 6687338626.

The previous prime is 6687338563. The next prime is 6687338633. The reversal of 6687338627 is 7268337866.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6687338627 - 2⁶ = 6687338563 is a prime.

It is a super-3 number, since 3×6687338627³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6687338687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3343669313 + 3343669314.

It is an arithmetic number, because the mean of its divisors is an integer number (3343669314).

Almost surely, 2^6687338627 is an apocalyptic number.

6687338627 is a deficient number, since it is larger than the sum of its proper divisors (1).

6687338627 is an equidigital number, since it uses as much as digits as its factorization.

6687338627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 56.

The square root of 6687338627 is about 81776.1494997166. The cubic root of 6687338627 is about 1884.0153565004.

The spelling of 6687338627 in words is "six billion, six hundred eighty-seven million, three hundred thirty-eight thousand, six hundred twenty-seven".