80479189 has 8 divisors (see below), whose sum is σ = 92292480. Its totient is φ = 68744976.

The previous prime is 80479183. The next prime is 80479199. The reversal of 80479189 is 98197408.

It is a happy number.

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 80479189 - 2⁹ = 80478677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80479183) 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, 17569 + ... + 21670.

It is an arithmetic number, because the mean of its divisors is an integer number (11536560).

Almost surely, 2^80479189 is an apocalyptic number.

It is an amenable number.

80479189 is a deficient number, since it is larger than the sum of its proper divisors (11813291).

80479189 is a wasteful number, since it uses less digits than its factorization.

80479189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39539.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 80479189 is about 8971.0193958100. The cubic root of 80479189 is about 431.7455438085.

The spelling of 80479189 in words is "eighty million, four hundred seventy-nine thousand, one hundred eighty-nine".