6687727673 has 16 divisors (see below), whose sum is σ = 7824600000. Its totient is φ = 5651081280.

The previous prime is 6687727663. The next prime is 6687727789. The reversal of 6687727673 is 3767277866.

It is a cyclic number.

It is not a de Polignac number, because 6687727673 - 2⁶ = 6687727609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6687727633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290798 + ... + 312951.

It is an arithmetic number, because the mean of its divisors is an integer number (489037500).

Almost surely, 2^6687727673 is an apocalyptic number.

It is an amenable number.

6687727673 is a deficient number, since it is larger than the sum of its proper divisors (1136872327).

6687727673 is a wasteful number, since it uses less digits than its factorization.

6687727673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603832.

The product of its digits is 24893568, while the sum is 59.

The square root of 6687727673 is about 81778.5281904731. The cubic root of 6687727673 is about 1884.0518909359.

The spelling of 6687727673 in words is "six billion, six hundred eighty-seven million, seven hundred twenty-seven thousand, six hundred seventy-three".