80189806 has 8 divisors (see below), whose sum is σ = 121023144. Its totient is φ = 39848760.

The previous prime is 80189789. The next prime is 80189831. The reversal of 80189806 is 60898108.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122665 + ... + 123316.

It is an arithmetic number, because the mean of its divisors is an integer number (15127893).

Almost surely, 2^80189806 is an apocalyptic number.

80189806 is a deficient number, since it is larger than the sum of its proper divisors (40833338).

80189806 is a wasteful number, since it uses less digits than its factorization.

80189806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246146.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 80189806 is about 8954.8761018788. The cubic root of 80189806 is about 431.2274393855.

The spelling of 80189806 in words is "eighty million, one hundred eighty-nine thousand, eight hundred six".