80495887289 has 8 divisors (see below), whose sum is σ = 80750779200. Its totient is φ = 80241348976.

The previous prime is 80495887273. The next prime is 80495887309. The reversal of 80495887289 is 98278859408.

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

It is a cyclic number.

It is not a de Polignac number, because 80495887289 - 2⁴ = 80495887273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80495887789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371387 + ... + 546735.

It is an arithmetic number, because the mean of its divisors is an integer number (10093847400).

Almost surely, 2^80495887289 is an apocalyptic number.

It is an amenable number.

80495887289 is a deficient number, since it is larger than the sum of its proper divisors (254891911).

80495887289 is a wasteful number, since it uses less digits than its factorization.

80495887289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176799.

The product of its (nonzero) digits is 92897280, while the sum is 68.

The spelling of 80495887289 in words is "eighty billion, four hundred ninety-five million, eight hundred eighty-seven thousand, two hundred eighty-nine".