80670009 has 8 divisors (see below), whose sum is σ = 122925760. Its totient is φ = 46097136.

The previous prime is 80669983. The next prime is 80670017. The reversal of 80670009 is 90007608.

It is a happy number.

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

It is not a de Polignac number, because 80670009 - 2¹² = 80665913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80670209) 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, 1920694 + ... + 1920735.

It is an arithmetic number, because the mean of its divisors is an integer number (15365720).

Almost surely, 2^80670009 is an apocalyptic number.

It is an amenable number.

80670009 is a deficient number, since it is larger than the sum of its proper divisors (42255751).

80670009 is a wasteful number, since it uses less digits than its factorization.

80670009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841439.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 80670009 is about 8981.6484567144. The cubic root of 80670009 is about 432.0865042392.

The spelling of 80670009 in words is "eighty million, six hundred seventy thousand, nine".