80299512 has 80 divisors (see below), whose sum is σ = 227775240. Its totient is φ = 26426304.

The previous prime is 80299511. The next prime is 80299519. The reversal of 80299512 is 21599208.

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 (80299511) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 53038 + ... + 54530.

Almost surely, 2^80299512 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 80299512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113887620).

80299512 is an abundant number, since it is smaller than the sum of its proper divisors (147475728).

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

80299512 is a wasteful number, since it uses less digits than its factorization.

80299512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 80299512 is about 8960.9994978239. Note that the first 3 decimals coincide. The cubic root of 80299512 is about 431.4240008621.

The spelling of 80299512 in words is "eighty million, two hundred ninety-nine thousand, five hundred twelve".