80727808 has 72 divisors (see below), whose sum is σ = 193934720. Its totient is φ = 32762880.

The previous prime is 80727797. The next prime is 80727839. The reversal of 80727808 is 80872708.

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 7 ways as a sum of consecutive naturals, for example, 32863 + ... + 35233.

Almost surely, 2^80727808 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 80727808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96967360).

80727808 is an abundant number, since it is smaller than the sum of its proper divisors (113206912).

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

80727808 is a wasteful number, since it uses less digits than its factorization.

80727808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 80727808 is about 8984.8654970456. The cubic root of 80727808 is about 432.1896743681.

The spelling of 80727808 in words is "eighty million, seven hundred twenty-seven thousand, eight hundred eight".