679431320 has 32 divisors (see below), whose sum is σ = 1529478720. Its totient is φ = 271637760.

The previous prime is 679431301. The next prime is 679431329. The reversal of 679431320 is 23134976.

679431320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679431329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131180 + ... + 136260.

It is an arithmetic number, because the mean of its divisors is an integer number (47796210).

Almost surely, 2^679431320 is an apocalyptic number.

It is an amenable number.

679431320 is an abundant number, since it is smaller than the sum of its proper divisors (850047400).

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

679431320 is a wasteful number, since it uses less digits than its factorization.

679431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435 (or 8431 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 679431320 is about 26065.9033988849. The cubic root of 679431320 is about 879.1207298785.

The spelling of 679431320 in words is "six hundred seventy-nine million, four hundred thirty-one thousand, three hundred twenty".