679646976 has 72 divisors (see below), whose sum is σ = 1867267584. Its totient is φ = 219233280.

The previous prime is 679646963. The next prime is 679646993.

679646976 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, 9535 + ... + 38081.

It is an arithmetic number, because the mean of its divisors is an integer number (25934272).

Almost surely, 2^679646976 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 679646976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933633792).

679646976 is an abundant number, since it is smaller than the sum of its proper divisors (1187620608).

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

679646976 is a wasteful number, since it uses less digits than its factorization.

679646976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28597 (or 28583 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 60.

The square root of 679646976 is about 26070.0398158499. The cubic root of 679646976 is about 879.2137329529.

The spelling of 679646976 in words is "six hundred seventy-nine million, six hundred forty-six thousand, nine hundred seventy-six".