679603968 has 108 divisors (see below), whose sum is σ = 2074848048. Its totient is φ = 213196800.

The previous prime is 679603961. The next prime is 679603993. The reversal of 679603968 is 869306976.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679603961) 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 11 ways as a sum of consecutive naturals, for example, 30493 + ... + 47843.

It is an arithmetic number, because the mean of its divisors is an integer number (19211556).

Almost surely, 2^679603968 is an apocalyptic number.

679603968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679603968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037424024).

679603968 is an abundant number, since it is smaller than the sum of its proper divisors (1395244080).

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

679603968 is a wasteful number, since it uses less digits than its factorization.

679603968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390 (or 17373 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 679603968 is about 26069.2149479036. The cubic root of 679603968 is about 879.1951870395.

The spelling of 679603968 in words is "six hundred seventy-nine million, six hundred three thousand, nine hundred sixty-eight".