80444463 has 16 divisors (see below), whose sum is σ = 121046400. Its totient is φ = 47072480.

The previous prime is 80444449. The next prime is 80444471. The reversal of 80444463 is 36444408.

It is a cyclic number.

It is not a de Polignac number, because 80444463 - 2⁴ = 80444447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80444263) 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, 41073 + ... + 42986.

It is an arithmetic number, because the mean of its divisors is an integer number (7565400).

Almost surely, 2^80444463 is an apocalyptic number.

80444463 is a deficient number, since it is larger than the sum of its proper divisors (40601937).

80444463 is a wasteful number, since it uses less digits than its factorization.

80444463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84102.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 80444463 is about 8969.0837324668. The cubic root of 80444463 is about 431.6834368511.

The spelling of 80444463 in words is "eighty million, four hundred forty-four thousand, four hundred sixty-three".