80840803 has 4 divisors (see below), whose sum is σ = 80858800. Its totient is φ = 80822808.

The previous prime is 80840789. The next prime is 80840833. The reversal of 80840803 is 30804808.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 80840803 - 2¹³ = 80832611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80840833) 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, 3973 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (20214700).

Almost surely, 2^80840803 is an apocalyptic number.

80840803 is a deficient number, since it is larger than the sum of its proper divisors (17997).

80840803 is an equidigital number, since it uses as much as digits as its factorization.

80840803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17996.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 80840803 is about 8991.1513723216. The cubic root of 80840803 is about 432.3912261679.

The spelling of 80840803 in words is "eighty million, eight hundred forty thousand, eight hundred three".