80016127280 has 80 divisors (see below), whose sum is σ = 196178872320. Its totient is φ = 30267719424.

The previous prime is 80016127249. The next prime is 80016127333. The reversal of 80016127280 is 8272161008.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 80016127280.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809009 + ... + 902511.

It is an arithmetic number, because the mean of its divisors is an integer number (2452235904).

Almost surely, 2^80016127280 is an apocalyptic number.

80016127280 is a gapful number since it is divisible by the number (80) 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 80016127280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98089436160).

80016127280 is an abundant number, since it is smaller than the sum of its proper divisors (116162745040).

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

80016127280 is a wasteful number, since it uses less digits than its factorization.

80016127280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94098 (or 94092 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

Adding to 80016127280 its reverse (8272161008), we get a palindrome (88288288288).

The spelling of 80016127280 in words is "eighty billion, sixteen million, one hundred twenty-seven thousand, two hundred eighty".