80810203403 has 4 divisors (see below), whose sum is σ = 80837424360. Its totient is φ = 80782982448.

The previous prime is 80810203399. The next prime is 80810203433. The reversal of 80810203403 is 30430201808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80810203403 - 2² = 80810203399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80810203433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13606025 + ... + 13611962.

It is an arithmetic number, because the mean of its divisors is an integer number (20209356090).

Almost surely, 2^80810203403 is an apocalyptic number.

80810203403 is a deficient number, since it is larger than the sum of its proper divisors (27220957).

80810203403 is a wasteful number, since it uses less digits than its factorization.

80810203403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27220956.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 80810203403 in words is "eighty billion, eight hundred ten million, two hundred three thousand, four hundred three".