80841447 has 24 divisors (see below), whose sum is σ = 123505200. Its totient is φ = 50813568.

The previous prime is 80841413. The next prime is 80841451. The reversal of 80841447 is 74414808.

It is a happy number.

It is not a de Polignac number, because 80841447 - 2¹⁶ = 80775911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80841347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38829 + ... + 40857.

It is an arithmetic number, because the mean of its divisors is an integer number (5146050).

Almost surely, 2^80841447 is an apocalyptic number.

80841447 is a deficient number, since it is larger than the sum of its proper divisors (42663753).

80841447 is a wasteful number, since it uses less digits than its factorization.

80841447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 80841447 is about 8991.1871852387. The cubic root of 80841447 is about 432.3923743472.

The spelling of 80841447 in words is "eighty million, eight hundred forty-one thousand, four hundred forty-seven".