80933173 has 4 divisors (see below), whose sum is σ = 82460268. Its totient is φ = 79406080.

The previous prime is 80933147. The next prime is 80933183. The reversal of 80933173 is 37133908.

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 46335249 + 34597924 = 6807^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 80933173 - 2¹⁷ = 80802101 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 (80933123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763468 + ... + 763573.

It is an arithmetic number, because the mean of its divisors is an integer number (20615067).

Almost surely, 2^80933173 is an apocalyptic number.

It is an amenable number.

80933173 is a deficient number, since it is larger than the sum of its proper divisors (1527095).

80933173 is a wasteful number, since it uses less digits than its factorization.

80933173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527094.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 80933173 is about 8996.2866228239. The cubic root of 80933173 is about 432.5558492036. Note that the first 3 decimals are identical.

The spelling of 80933173 in words is "eighty million, nine hundred thirty-three thousand, one hundred seventy-three".