80444473 has 4 divisors (see below), whose sum is σ = 83039488. Its totient is φ = 77849460.

The previous prime is 80444471. The next prime is 80444477. The reversal of 80444473 is 37444408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80444473 - 2¹ = 80444471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80444471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297461 + ... + 1297522.

It is an arithmetic number, because the mean of its divisors is an integer number (20759872).

Almost surely, 2^80444473 is an apocalyptic number.

It is an amenable number.

80444473 is a deficient number, since it is larger than the sum of its proper divisors (2595015).

80444473 is a wasteful number, since it uses less digits than its factorization.

80444473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595014.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 80444473 is about 8969.0842899373. The cubic root of 80444473 is about 431.6834547385.

The spelling of 80444473 in words is "eighty million, four hundred forty-four thousand, four hundred seventy-three".