80543508 has 48 divisors (see below), whose sum is σ = 198515520. Its totient is φ = 25346304.

The previous prime is 80543503. The next prime is 80543509. The reversal of 80543508 is 80534508.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80543503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103810 + ... + 104582.

It is an arithmetic number, because the mean of its divisors is an integer number (4135740).

Almost surely, 2^80543508 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 80543508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99257760).

80543508 is an abundant number, since it is smaller than the sum of its proper divisors (117972012).

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

80543508 is a wasteful number, since it uses less digits than its factorization.

80543508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 80543508 is about 8974.6035009910. The cubic root of 80543508 is about 431.8605302519.

The spelling of 80543508 in words is "eighty million, five hundred forty-three thousand, five hundred eight".