80795568128 has 108 divisors (see below), whose sum is σ = 177884871255. Its totient is φ = 36660940800.

The previous prime is 80795568103. The next prime is 80795568149. The reversal of 80795568128 is 82186559708.

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 only one way, i.e., 40397784064 + 40397784064 = 200992^2 + 200992^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=200992.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 141498083 + ... + 141498653.

Almost surely, 2^80795568128 is an apocalyptic number.

80795568128 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80795568128

80795568128 is an abundant number, since it is smaller than the sum of its proper divisors (97089303127).

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

80795568128 is an frugal number, since it uses more digits than its factorization.

80795568128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 59.

The spelling of 80795568128 in words is "eighty billion, seven hundred ninety-five million, five hundred sixty-eight thousand, one hundred twenty-eight".