6687679027 has 4 divisors (see below), whose sum is σ = 6702913360. Its totient is φ = 6672444696.

The previous prime is 6687679013. The next prime is 6687679051. The reversal of 6687679027 is 7209767866.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6687679027 - 2³¹ = 4540195379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6687679627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7616508 + ... + 7617385.

It is an arithmetic number, because the mean of its divisors is an integer number (1675728340).

Almost surely, 2^6687679027 is an apocalyptic number.

6687679027 is a deficient number, since it is larger than the sum of its proper divisors (15234333).

6687679027 is a wasteful number, since it uses less digits than its factorization.

6687679027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234332.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The square root of 6687679027 is about 81778.2307646723. The cubic root of 6687679027 is about 1884.0473227768.

The spelling of 6687679027 in words is "six billion, six hundred eighty-seven million, six hundred seventy-nine thousand, twenty-seven".