80516080 has 80 divisors (see below), whose sum is σ = 201174624. Its totient is φ = 29859840.

The previous prime is 80516071. The next prime is 80516101. The reversal of 80516080 is 8061508.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98875 + ... + 99685.

Almost surely, 2^80516080 is an apocalyptic number.

80516080 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 80516080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100587312).

80516080 is an abundant number, since it is smaller than the sum of its proper divisors (120658544).

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

80516080 is a wasteful number, since it uses less digits than its factorization.

80516080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 80516080 is about 8973.0752810840. The cubic root of 80516080 is about 431.8115032695.

Adding to 80516080 its reverse (8061508), we get a palindrome (88577588).

The spelling of 80516080 in words is "eighty million, five hundred sixteen thousand, eighty".