80043517209 has 8 divisors (see below), whose sum is σ = 106740942880. Its totient is φ = 53354218176.

The previous prime is 80043517199. The next prime is 80043517217. The reversal of 80043517209 is 90271534008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80043517209 - 2¹⁵ = 80043484441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80043517259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008639 + ... + 2048100.

It is an arithmetic number, because the mean of its divisors is an integer number (13342617860).

Almost surely, 2^80043517209 is an apocalyptic number.

It is an amenable number.

80043517209 is a deficient number, since it is larger than the sum of its proper divisors (26697425671).

80043517209 is a wasteful number, since it uses less digits than its factorization.

80043517209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063319.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 80043517209 in words is "eighty billion, forty-three million, five hundred seventeen thousand, two hundred nine".