80243312 has 10 divisors (see below), whose sum is σ = 155471448. Its totient is φ = 40121648.

The previous prime is 80243311. The next prime is 80243329. The reversal of 80243312 is 21334208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80243311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507588 + ... + 2507619.

Almost surely, 2^80243312 is an apocalyptic number.

It is an amenable number.

80243312 is a deficient number, since it is larger than the sum of its proper divisors (75228136).

80243312 is a wasteful number, since it uses less digits than its factorization.

80243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015215 (or 5015209 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 80243312 is about 8957.8631380480. The cubic root of 80243312 is about 431.3233290694.

The spelling of 80243312 in words is "eighty million, two hundred forty-three thousand, three hundred twelve".