679826880 has 168 divisors, whose sum is σ = 2356756272. Its totient is φ = 179859456.

The previous prime is 679826879. The next prime is 679826911. The reversal of 679826880 is 88628976.

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 23 ways as a sum of consecutive naturals, for example, 393699 + ... + 395421.

Almost surely, 2^679826880 is an apocalyptic number.

679826880 is a gapful number since it is divisible by the number (60) 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 679826880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178378136).

679826880 is an abundant number, since it is smaller than the sum of its proper divisors (1676929392).

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

679826880 is a wasteful number, since it uses less digits than its factorization.

679826880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 679826880 is about 26073.4899850404. The cubic root of 679826880 is about 879.2913026907.

The spelling of 679826880 in words is "six hundred seventy-nine million, eight hundred twenty-six thousand, eight hundred eighty".