79818048 has 140 divisors (see below), whose sum is σ = 240647220. Its totient is φ = 26155008.

The previous prime is 79818047. The next prime is 79818049. The reversal of 79818048 is 84081897.

It is an interprime number because it is at equal distance from previous prime (79818047) and next prime (79818049).

It can be written as a sum of positive squares in 2 ways, for example, as 45805824 + 34012224 = 6768^2 + 5832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79817994 and 79818012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79818047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 461290 + ... + 461462.

Almost surely, 2^79818048 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 79818048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120323610).

79818048 is an abundant number, since it is smaller than the sum of its proper divisors (160829172).

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

79818048 is a wasteful number, since it uses less digits than its factorization.

79818048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 79818048 is about 8934.0946939239. The cubic root of 79818048 is about 430.5600202831.

The spelling of 79818048 in words is "seventy-nine million, eight hundred eighteen thousand, forty-eight".