79831206 has 144 divisors (see below), whose sum is σ = 224729856. Its totient is φ = 20015424.

The previous prime is 79831181. The next prime is 79831207. The reversal of 79831206 is 60213897.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79831207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 489681 + ... + 489843.

It is an arithmetic number, because the mean of its divisors is an integer number (1560624).

Almost surely, 2^79831206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79831206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112364928).

79831206 is an abundant number, since it is smaller than the sum of its proper divisors (144898650).

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

79831206 is a wasteful number, since it uses less digits than its factorization.

79831206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 79831206 is about 8934.8310560413. The cubic root of 79831206 is about 430.5836782469.

The spelling of 79831206 in words is "seventy-nine million, eight hundred thirty-one thousand, two hundred six".