80845089 has 16 divisors (see below), whose sum is σ = 116250624. Its totient is φ = 49680000.

The previous prime is 80845067. The next prime is 80845097. The reversal of 80845089 is 98054808.

It is not a de Polignac number, because 80845089 - 2⁷ = 80844961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80845089.

It is not an unprimeable number, because it can be changed into a prime (80845049) 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 15 ways as a sum of consecutive naturals, for example, 43989 + ... + 45789.

It is an arithmetic number, because the mean of its divisors is an integer number (7265664).

Almost surely, 2^80845089 is an apocalyptic number.

It is an amenable number.

80845089 is a deficient number, since it is larger than the sum of its proper divisors (35405535).

80845089 is a wasteful number, since it uses less digits than its factorization.

80845089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 80845089 is about 8991.3897146103. The cubic root of 80845089 is about 432.3988675073.

The spelling of 80845089 in words is "eighty million, eight hundred forty-five thousand, eighty-nine".