79280027208 has 108 divisors (see below), whose sum is σ = 223145314665. Its totient is φ = 26405173152.

The previous prime is 79280027207. The next prime is 79280027219. The reversal of 79280027208 is 80272008297.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 48612312324 + 30667714884 = 220482^2 + 175122^2 .

It is a tau number, because it is divible by the number of its divisors (108).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=199098.

It is not an unprimeable number, because it can be changed into a prime (79280027201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64507138 + ... + 64508366.

Almost surely, 2^79280027208 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 79280027208

79280027208 is an abundant number, since it is smaller than the sum of its proper divisors (143865287457).

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

79280027208 is an frugal number, since it uses more digits than its factorization.

79280027208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 79280027208 in words is "seventy-nine billion, two hundred eighty million, twenty-seven thousand, two hundred eight".