679980588 has 96 divisors (see below), whose sum is σ = 1937510400. Its totient is φ = 181279296.

The previous prime is 679980577. The next prime is 679980593. The reversal of 679980588 is 885089976.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103753 + ... + 110111.

It is an arithmetic number, because the mean of its divisors is an integer number (20182400).

Almost surely, 2^679980588 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 679980588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968755200).

679980588 is an abundant number, since it is smaller than the sum of its proper divisors (1257529812).

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

679980588 is a wasteful number, since it uses less digits than its factorization.

679980588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The square root of 679980588 is about 26076.4374100451. The cubic root of 679980588 is about 879.3575665817.

The spelling of 679980588 in words is "six hundred seventy-nine million, nine hundred eighty thousand, five hundred eighty-eight".