800080873 has 2 divisors, whose sum is σ = 800080874. Its totient is φ = 800080872.

The previous prime is 800080871. The next prime is 800080889. The reversal of 800080873 is 378080008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438776809 + 361304064 = 20947^2 + 19008^2 .

It is a cyclic number.

It is not a de Polignac number, because 800080873 - 2¹ = 800080871 is a prime.

Together with 800080871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (800080871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400040436 + 400040437.

It is an arithmetic number, because the mean of its divisors is an integer number (400040437).

Almost surely, 2^800080873 is an apocalyptic number.

It is an amenable number.

800080873 is a deficient number, since it is larger than the sum of its proper divisors (1).

800080873 is an equidigital number, since it uses as much as digits as its factorization.

800080873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 800080873 is about 28285.7008575004. The cubic root of 800080873 is about 928.3490472697.

The spelling of 800080873 in words is "eight hundred million, eighty thousand, eight hundred seventy-three".