679888976 has 40 divisors (see below), whose sum is σ = 1428075264. Its totient is φ = 311702400.

The previous prime is 679888969. The next prime is 679888987.

679888976 is nontrivially palindromic in base 10.

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, 20585 + ... + 42231.

Almost surely, 2^679888976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679888976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714037632).

679888976 is an abundant number, since it is smaller than the sum of its proper divisors (748186288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679888976 is a wasteful number, since it uses less digits than its factorization.

679888976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819 (or 21813 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 68.

The square root of 679888976 is about 26074.6807458883. The cubic root of 679888976 is about 879.3180736290.

The spelling of 679888976 in words is "six hundred seventy-nine million, eight hundred eighty-eight thousand, nine hundred seventy-six".