80517060 has 144 divisors (see below), whose sum is σ = 277018560. Its totient is φ = 18766080.

The previous prime is 80517023. The next prime is 80517061. The reversal of 80517060 is 6071508.

It is not an unprimeable number, because it can be changed into a prime (80517061) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 43555 + ... + 45365.

It is an arithmetic number, because the mean of its divisors is an integer number (1923740).

Almost surely, 2^80517060 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 80517060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138509280).

80517060 is an abundant number, since it is smaller than the sum of its proper divisors (196501500).

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

80517060 is a wasteful number, since it uses less digits than its factorization.

80517060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 80517060 is about 8973.1298887289. The cubic root of 80517060 is about 431.8132551910.

Adding to 80517060 its reverse (6071508), we get a palindrome (86588568).

The spelling of 80517060 in words is "eighty million, five hundred seventeen thousand, sixty".