79784512 has 28 divisors (see below), whose sum is σ = 159788860. Its totient is φ = 39522816.

The previous prime is 79784503. The next prime is 79784527. The reversal of 79784512 is 21548797.

It can be written as a sum of positive squares in 2 ways, for example, as 39639616 + 40144896 = 6296^2 + 6336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258 + ... + 12694.

It is an arithmetic number, because the mean of its divisors is an integer number (5706745).

Almost surely, 2^79784512 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 79784512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79894430).

79784512 is an abundant number, since it is smaller than the sum of its proper divisors (80004348).

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

79784512 is a wasteful number, since it uses less digits than its factorization.

79784512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558 (or 11548 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 79784512 is about 8932.2176417730. The cubic root of 79784512 is about 430.4997111011.

The spelling of 79784512 in words is "seventy-nine million, seven hundred eighty-four thousand, five hundred twelve".