80447213 has 48 divisors (see below), whose sum is σ = 110621952. Its totient is φ = 57024000.

The previous prime is 80447203. The next prime is 80447219. The reversal of 80447213 is 31274408.

It is not a de Polignac number, because 80447213 - 2¹⁰ = 80446189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80447219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 532688 + ... + 532838.

It is an arithmetic number, because the mean of its divisors is an integer number (2304624).

Almost surely, 2^80447213 is an apocalyptic number.

It is an amenable number.

80447213 is a deficient number, since it is larger than the sum of its proper divisors (30174739).

80447213 is a wasteful number, since it uses less digits than its factorization.

80447213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 80447213 is about 8969.2370355566. The cubic root of 80447213 is about 431.6883558386.

The spelling of 80447213 in words is "eighty million, four hundred forty-seven thousand, two hundred thirteen".