80083980 has 72 divisors (see below), whose sum is σ = 245700000. Its totient is φ = 21111552.

The previous prime is 80083967. The next prime is 80083981. The reversal of 80083980 is 8938008.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80083981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13521 + ... + 18519.

It is an arithmetic number, because the mean of its divisors is an integer number (3412500).

Almost surely, 2^80083980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80083980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122850000).

80083980 is an abundant number, since it is smaller than the sum of its proper divisors (165616020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80083980 is a wasteful number, since it uses less digits than its factorization.

80083980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 80083980 is about 8948.9653033186. The cubic root of 80083980 is about 431.0376597997.

The spelling of 80083980 in words is "eighty million, eighty-three thousand, nine hundred eighty".