80586391009 has 4 divisors (see below), whose sum is σ = 80588918016. Its totient is φ = 80583864004.

The previous prime is 80586391003. The next prime is 80586391033. The reversal of 80586391009 is 90019368508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80586391009 - 2⁵ = 80586390977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80586391003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215049 + ... + 1279654.

It is an arithmetic number, because the mean of its divisors is an integer number (20147229504).

Almost surely, 2^80586391009 is an apocalyptic number.

It is an amenable number.

80586391009 is a deficient number, since it is larger than the sum of its proper divisors (2527007).

80586391009 is a wasteful number, since it uses less digits than its factorization.

80586391009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527006.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 80586391009 in words is "eighty billion, five hundred eighty-six million, three hundred ninety-one thousand, nine".