80835173 has 4 divisors (see below), whose sum is σ = 80860428. Its totient is φ = 80809920.

The previous prime is 80835137. The next prime is 80835191. The reversal of 80835173 is 37153808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19651489 + 61183684 = 4433^2 + 7822^2 .

It is a cyclic number.

It is not a de Polignac number, because 80835173 - 2⁶ = 80835109 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 (80835103) 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, 6986 + ... + 14507.

It is an arithmetic number, because the mean of its divisors is an integer number (20215107).

Almost surely, 2^80835173 is an apocalyptic number.

It is an amenable number.

80835173 is a deficient number, since it is larger than the sum of its proper divisors (25255).

80835173 is a wasteful number, since it uses less digits than its factorization.

80835173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25254.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 80835173 is about 8990.8382812728. The cubic root of 80835173 is about 432.3811882537.

The spelling of 80835173 in words is "eighty million, eight hundred thirty-five thousand, one hundred seventy-three".