80687089 has 8 divisors (see below), whose sum is σ = 92280320. Its totient is φ = 69110496.

The previous prime is 80687081. The next prime is 80687107. The reversal of 80687089 is 98078608.

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

It is not a de Polignac number, because 80687089 - 2³ = 80687081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80687081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9037 + ... + 15589.

It is an arithmetic number, because the mean of its divisors is an integer number (11535040).

Almost surely, 2^80687089 is an apocalyptic number.

It is an amenable number.

80687089 is a deficient number, since it is larger than the sum of its proper divisors (11593231).

80687089 is a wasteful number, since it uses less digits than its factorization.

80687089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 80687089 is about 8982.5992340747. The cubic root of 80687089 is about 432.1169968464.

The spelling of 80687089 in words is "eighty million, six hundred eighty-seven thousand, eighty-nine".