80444217 has 16 divisors (see below), whose sum is σ = 122710400. Its totient is φ = 45919872.

The previous prime is 80444201. The next prime is 80444219. The reversal of 80444217 is 71244408.

It is not a de Polignac number, because 80444217 - 2⁴ = 80444201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80444219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31293 + ... + 33765.

It is an arithmetic number, because the mean of its divisors is an integer number (7669400).

Almost surely, 2^80444217 is an apocalyptic number.

It is an amenable number.

80444217 is a deficient number, since it is larger than the sum of its proper divisors (42266183).

80444217 is a wasteful number, since it uses less digits than its factorization.

80444217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 80444217 is about 8969.0700186809. The cubic root of 80444217 is about 431.6829968198.

The spelling of 80444217 in words is "eighty million, four hundred forty-four thousand, two hundred seventeen".