806680667 has 16 divisors (see below), whose sum is σ = 900775680. Its totient is φ = 717379200.

The previous prime is 806680649. The next prime is 806680673. The reversal of 806680667 is 766086608.

It is a cyclic number.

It is not a de Polignac number, because 806680667 - 2¹⁴ = 806664283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806680267) 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, 87917 + ... + 96657.

It is an arithmetic number, because the mean of its divisors is an integer number (56298480).

Almost surely, 2^806680667 is an apocalyptic number.

806680667 is a deficient number, since it is larger than the sum of its proper divisors (94095013).

806680667 is a wasteful number, since it uses less digits than its factorization.

806680667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9014.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 806680667 is about 28402.1243395631. The cubic root of 806680667 is about 930.8946826257.

The spelling of 806680667 in words is "eight hundred six million, six hundred eighty thousand, six hundred sixty-seven".