679716885 has 16 divisors (see below), whose sum is σ = 1088461440. Its totient is φ = 362210880.

The previous prime is 679716883. The next prime is 679716911. The reversal of 679716885 is 588617976.

679716885 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

679716885 is a nontrivial binomial coefficient, being equal to C(36871, 2).

It is not a de Polignac number, because 679716885 - 2¹ = 679716883 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679716883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 36870.

It is an arithmetic number, because the mean of its divisors is an integer number (68028840).

Almost surely, 2^679716885 is an apocalyptic number.

679716885 is the 36870-th triangular number.

It is an amenable number.

679716885 is a deficient number, since it is larger than the sum of its proper divisors (408744555).

679716885 is a wasteful number, since it uses less digits than its factorization.

679716885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38108.

The product of its digits is 5080320, while the sum is 57.

The square root of 679716885 is about 26071.3805733413. The cubic root of 679716885 is about 879.2438774484.

The spelling of 679716885 in words is "six hundred seventy-nine million, seven hundred sixteen thousand, eight hundred eighty-five".