80717312 has 80 divisors (see below), whose sum is σ = 177249072. Its totient is φ = 36495360.

The previous prime is 80717293. The next prime is 80717317. The reversal of 80717312 is 21371708.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80717317) 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 7 ways as a sum of consecutive naturals, for example, 445862 + ... + 446042.

Almost surely, 2^80717312 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 80717312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88624536).

80717312 is an abundant number, since it is smaller than the sum of its proper divisors (96531760).

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

80717312 is a wasteful number, since it uses less digits than its factorization.

80717312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 80717312 is about 8984.2813847297. The cubic root of 80717312 is about 432.1709428655.

The spelling of 80717312 in words is "eighty million, seven hundred seventeen thousand, three hundred twelve".