80443841 has 4 divisors (see below), whose sum is σ = 82314672. Its totient is φ = 78573012.

The previous prime is 80443829. The next prime is 80443861. The reversal of 80443841 is 14834408.

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 80443841 - 2¹⁸ = 80181697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80443798 and 80443807.

It is not an unprimeable number, because it can be changed into a prime (80443861) 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, 935351 + ... + 935436.

It is an arithmetic number, because the mean of its divisors is an integer number (20578668).

Almost surely, 2^80443841 is an apocalyptic number.

It is an amenable number.

80443841 is a deficient number, since it is larger than the sum of its proper divisors (1870831).

80443841 is a wasteful number, since it uses less digits than its factorization.

80443841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870830.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 80443841 is about 8969.0490577318. The cubic root of 80443841 is about 431.6823242500.

The spelling of 80443841 in words is "eighty million, four hundred forty-three thousand, eight hundred forty-one".