679980192 has 96 divisors (see below), whose sum is σ = 1826012160. Its totient is φ = 221495040.

The previous prime is 679980187. The next prime is 679980193. The reversal of 679980192 is 291089976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (679980193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534723 + ... + 1535165.

It is an arithmetic number, because the mean of its divisors is an integer number (19020960).

Almost surely, 2^679980192 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 679980192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913006080).

679980192 is an abundant number, since it is smaller than the sum of its proper divisors (1146031968).

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

679980192 is a wasteful number, since it uses less digits than its factorization.

679980192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 679980192 is about 26076.4298169822. The cubic root of 679980192 is about 879.3573958779.

The spelling of 679980192 in words is "six hundred seventy-nine million, nine hundred eighty thousand, one hundred ninety-two".