80641233 has 6 divisors (see below), whose sum is σ = 116481794. Its totient is φ = 53760816.

The previous prime is 80641213. The next prime is 80641247. The reversal of 80641233 is 33214608.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54508689 + 26132544 = 7383^2 + 5112^2 .

It is not a de Polignac number, because 80641233 - 2⁵ = 80641201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80641197 and 80641206.

It is not an unprimeable number, because it can be changed into a prime (80641213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4480060 + ... + 4480077.

Almost surely, 2^80641233 is an apocalyptic number.

It is an amenable number.

80641233 is a deficient number, since it is larger than the sum of its proper divisors (35840561).

80641233 is a wasteful number, since it uses less digits than its factorization.

80641233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8960143 (or 8960140 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 80641233 is about 8980.0463807265. The cubic root of 80641233 is about 432.0351212444.

The spelling of 80641233 in words is "eighty million, six hundred forty-one thousand, two hundred thirty-three".