80757312 has 56 divisors (see below), whose sum is σ = 217322400. Its totient is φ = 26459136.

The previous prime is 80757307. The next prime is 80757329. The reversal of 80757312 is 21375708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764 + ... + 14892.

Almost surely, 2^80757312 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 80757312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108661200).

80757312 is an abundant number, since it is smaller than the sum of its proper divisors (136565088).

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

80757312 is a wasteful number, since it uses less digits than its factorization.

80757312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7203 (or 7193 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 80757312 is about 8986.5072191592. The cubic root of 80757312 is about 432.2423194700.

The spelling of 80757312 in words is "eighty million, seven hundred fifty-seven thousand, three hundred twelve".