79443828 has 60 divisors (see below), whose sum is σ = 208565280. Its totient is φ = 26368848.

The previous prime is 79443827. The next prime is 79443829. The reversal of 79443828 is 82834497.

It is an interprime number because it is at equal distance from previous prime (79443827) and next prime (79443829).

It is a super-3 number, since 3×79443828³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79443827) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 115975 + ... + 116657.

It is an arithmetic number, because the mean of its divisors is an integer number (3476088).

Almost surely, 2^79443828 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 79443828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104282640).

79443828 is an abundant number, since it is smaller than the sum of its proper divisors (129121452).

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

79443828 is a wasteful number, since it uses less digits than its factorization.

79443828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1047 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 79443828 is about 8913.1267241075. The cubic root of 79443828 is about 429.8860848415.

The spelling of 79443828 in words is "seventy-nine million, four hundred forty-three thousand, eight hundred twenty-eight".