80481198 has 64 divisors (see below), whose sum is σ = 188863488. Its totient is φ = 22391040.

The previous prime is 80481197. The next prime is 80481211. The reversal of 80481198 is 89118408.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80481197) 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 31 ways as a sum of consecutive naturals, for example, 408436 + ... + 408632.

It is an arithmetic number, because the mean of its divisors is an integer number (2950992).

Almost surely, 2^80481198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80481198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94431744).

80481198 is an abundant number, since it is smaller than the sum of its proper divisors (108382290).

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

80481198 is a wasteful number, since it uses less digits than its factorization.

80481198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 80481198 is about 8971.1313667787. The cubic root of 80481198 is about 431.7491363297.

The spelling of 80481198 in words is "eighty million, four hundred eighty-one thousand, one hundred ninety-eight".