80530100 has 72 divisors (see below), whose sum is σ = 206653440. Its totient is φ = 26651520.

The previous prime is 80530097. The next prime is 80530111. The reversal of 80530100 is 103508.

It is a congruent number.

It is an unprimeable number.

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, 18317 + ... + 22283.

Almost surely, 2^80530100 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 80530100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103326720).

80530100 is an abundant number, since it is smaller than the sum of its proper divisors (126123340).

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

80530100 is a wasteful number, since it uses less digits than its factorization.

80530100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4010 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 80530100 is about 8973.8564731112. The cubic root of 80530100 is about 431.8365651202.

Adding to 80530100 its reverse (103508), we get a palindrome (80633608).

The spelling of 80530100 in words is "eighty million, five hundred thirty thousand, one hundred".