80499312 has 80 divisors (see below), whose sum is σ = 238556160. Its totient is φ = 25963200.

The previous prime is 80499283. The next prime is 80499313. The reversal of 80499312 is 21399408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80499313) 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 in 15 ways as a sum of consecutive naturals, for example, 10387 + ... + 16397.

It is an arithmetic number, because the mean of its divisors is an integer number (2981952).

Almost surely, 2^80499312 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 80499312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119278080).

80499312 is an abundant number, since it is smaller than the sum of its proper divisors (158056848).

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

80499312 is a wasteful number, since it uses less digits than its factorization.

80499312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 80499312 is about 8972.1408816402. The cubic root of 80499312 is about 431.7815253323.

The spelling of 80499312 in words is "eighty million, four hundred ninety-nine thousand, three hundred twelve".