679565976 has 64 divisors (see below), whose sum is σ = 1762339680. Its totient is φ = 218188800.

The previous prime is 679565969. The next prime is 679566001.

679565976 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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, 85900 + ... + 93476.

Almost surely, 2^679565976 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 679565976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881169840).

679565976 is an abundant number, since it is smaller than the sum of its proper divisors (1082773704).

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

679565976 is a wasteful number, since it uses less digits than its factorization.

679565976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724 (or 7720 counting only the distinct ones).

The product of its digits is 21432600, while the sum is 60.

The square root of 679565976 is about 26068.4862621519. The cubic root of 679565976 is about 879.1788034752.

It can be divided in two parts, 6795 and 65976, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 679565976 in words is "six hundred seventy-nine million, five hundred sixty-five thousand, nine hundred seventy-six".