679361280 has 288 divisors, whose sum is σ = 2417479680. Its totient is φ = 161464320.

The previous prime is 679361273. The next prime is 679361303. The reversal of 679361280 is 82163976.

It is a happy number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1547301 + ... + 1547739.

Almost surely, 2^679361280 is an apocalyptic number.

679361280 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 679361280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208739840).

679361280 is an abundant number, since it is smaller than the sum of its proper divisors (1738118400).

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

679361280 is a wasteful number, since it uses less digits than its factorization.

679361280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 679361280 is about 26064.5598466577. The cubic root of 679361280 is about 879.0905204322.

The spelling of 679361280 in words is "six hundred seventy-nine million, three hundred sixty-one thousand, two hundred eighty".