80503312 has 40 divisors (see below), whose sum is σ = 163543104. Its totient is φ = 38315904.

The previous prime is 80503309. The next prime is 80503327. The reversal of 80503312 is 21330508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103758 + ... + 104530.

Almost surely, 2^80503312 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 80503312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81771552).

80503312 is an abundant number, since it is smaller than the sum of its proper divisors (83039792).

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

80503312 is a wasteful number, since it uses less digits than its factorization.

80503312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 80503312 is about 8972.3637911088. The cubic root of 80503312 is about 431.7886769358.

The spelling of 80503312 in words is "eighty million, five hundred three thousand, three hundred twelve".