80800801 has 4 divisors (see below), whose sum is σ = 81219652. Its totient is φ = 80381952.

The previous prime is 80800781. The next prime is 80800823. The reversal of 80800801 is 10800808.

It is a happy number.

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 46226401 + 34574400 = 6799^2 + 5880^2 .

It is a cyclic number.

It is not a de Polignac number, because 80800801 - 2⁹ = 80800289 is a prime.

It is a super-3 number, since 3×80800801³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80800871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209136 + ... + 209521.

It is an arithmetic number, because the mean of its divisors is an integer number (20304913).

Almost surely, 2^80800801 is an apocalyptic number.

It is an amenable number.

80800801 is a deficient number, since it is larger than the sum of its proper divisors (418851).

80800801 is a wasteful number, since it uses less digits than its factorization.

80800801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418850.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 80800801 is about 8988.9265766275. The cubic root of 80800801 is about 432.3198951614.

The spelling of 80800801 in words is "eighty million, eight hundred thousand, eight hundred one".