80675309 has 8 divisors (see below), whose sum is σ = 94779552. Its totient is φ = 67699440.

The previous prime is 80675269. The next prime is 80675321. The reversal of 80675309 is 90357608.

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 80675309 - 2²⁰ = 79626733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80675339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281939 + ... + 282224.

It is an arithmetic number, because the mean of its divisors is an integer number (11847444).

Almost surely, 2^80675309 is an apocalyptic number.

It is an amenable number.

80675309 is a deficient number, since it is larger than the sum of its proper divisors (14104243).

80675309 is a wasteful number, since it uses less digits than its factorization.

80675309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564187.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 80675309 is about 8981.9434979296. The cubic root of 80675309 is about 432.0959666914.

The spelling of 80675309 in words is "eighty million, six hundred seventy-five thousand, three hundred nine".