80984983 has 4 divisors (see below), whose sum is σ = 81741960. Its totient is φ = 80228008.

The previous prime is 80984921. The next prime is 80985013. The reversal of 80984983 is 38948908.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80984983 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80982983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378328 + ... + 378541.

It is an arithmetic number, because the mean of its divisors is an integer number (20435490).

Almost surely, 2^80984983 is an apocalyptic number.

80984983 is a deficient number, since it is larger than the sum of its proper divisors (756977).

80984983 is a wasteful number, since it uses less digits than its factorization.

80984983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756976.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 80984983 is about 8999.1656835509. The cubic root of 80984983 is about 432.6481308448.

The spelling of 80984983 in words is "eighty million, nine hundred eighty-four thousand, nine hundred eighty-three".