80012173 has 4 divisors (see below), whose sum is σ = 84223360. Its totient is φ = 75800988.

The previous prime is 80012171. The next prime is 80012237. The reversal of 80012173 is 37121008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80012173 - 2¹ = 80012171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80012171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105565 + ... + 2105602.

It is an arithmetic number, because the mean of its divisors is an integer number (21055840).

Almost surely, 2^80012173 is an apocalyptic number.

It is an amenable number.

80012173 is a deficient number, since it is larger than the sum of its proper divisors (4211187).

80012173 is a wasteful number, since it uses less digits than its factorization.

80012173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211186.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 80012173 is about 8944.9523755021. The cubic root of 80012173 is about 430.9087918425.

The spelling of 80012173 in words is "eighty million, twelve thousand, one hundred seventy-three".