80317443 has 16 divisors (see below), whose sum is σ = 111870720. Its totient is φ = 51190944.

The previous prime is 80317441. The next prime is 80317451. The reversal of 80317443 is 34471308.

It is a Cunningham number, because it is equal to 8962²-1.

It is not a de Polignac number, because 80317443 - 2¹ = 80317441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80317443.

It is not an unprimeable number, because it can be changed into a prime (80317441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4480 + ... + 13442.

It is an arithmetic number, because the mean of its divisors is an integer number (6991920).

Almost surely, 2^80317443 is an apocalyptic number.

80317443 is a deficient number, since it is larger than the sum of its proper divisors (31553277).

80317443 is a wasteful number, since it uses less digits than its factorization.

80317443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 80317443 is about 8961.9999442089. Note that the first 4 decimals coincide. The cubic root of 80317443 is about 431.4561110117.

The spelling of 80317443 in words is "eighty million, three hundred seventeen thousand, four hundred forty-three".