80558412 has 72 divisors (see below), whose sum is σ = 208916400. Its totient is φ = 24140160.

The previous prime is 80558411. The next prime is 80558419. The reversal of 80558412 is 21485508.

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 (80558411) 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, 158014 + ... + 158522.

Almost surely, 2^80558412 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 80558412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104458200).

80558412 is an abundant number, since it is smaller than the sum of its proper divisors (128357988).

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

80558412 is a wasteful number, since it uses less digits than its factorization.

80558412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 80558412 is about 8975.4338056720. The cubic root of 80558412 is about 431.8871661763.

The spelling of 80558412 in words is "eighty million, five hundred fifty-eight thousand, four hundred twelve".