679684885 has 8 divisors (see below), whose sum is σ = 889769376. Its totient is φ = 494316240.

The previous prime is 679684849. The next prime is 679684913. The reversal of 679684885 is 588486976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 679684885 - 2¹³ = 679676693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6178899 + ... + 6179008.

It is an arithmetic number, because the mean of its divisors is an integer number (111221172).

Almost surely, 2^679684885 is an apocalyptic number.

It is an amenable number.

679684885 is a deficient number, since it is larger than the sum of its proper divisors (210084491).

679684885 is a wasteful number, since it uses less digits than its factorization.

679684885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357923.

The product of its digits is 23224320, while the sum is 61.

The square root of 679684885 is about 26070.7668663582. The cubic root of 679684885 is about 879.2300794263.

The spelling of 679684885 in words is "six hundred seventy-nine million, six hundred eighty-four thousand, eight hundred eighty-five".