80606089 has 4 divisors (see below), whose sum is σ = 81710356. Its totient is φ = 79501824.

The previous prime is 80606077. The next prime is 80606131. The reversal of 80606089 is 98060608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21930489 + 58675600 = 4683^2 + 7660^2 .

It is a cyclic number.

It is not a de Polignac number, because 80606089 - 2¹⁵ = 80573321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80606039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552024 + ... + 552169.

It is an arithmetic number, because the mean of its divisors is an integer number (20427589).

Almost surely, 2^80606089 is an apocalyptic number.

It is an amenable number.

80606089 is a deficient number, since it is larger than the sum of its proper divisors (1104267).

80606089 is a wasteful number, since it uses less digits than its factorization.

80606089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104266.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 80606089 is about 8978.0893847188. The cubic root of 80606089 is about 431.9723508396.

The spelling of 80606089 in words is "eighty million, six hundred six thousand, eighty-nine".