80998336 has 56 divisors (see below), whose sum is σ = 171998640. Its totient is φ = 37711872.

The previous prime is 80998331. The next prime is 80998361. The reversal of 80998336 is 63389908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80998331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118251 + ... + 118933.

Almost surely, 2^80998336 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 80998336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85999320).

80998336 is an abundant number, since it is smaller than the sum of its proper divisors (91000304).

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

80998336 is a wasteful number, since it uses less digits than its factorization.

80998336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 80998336 is about 8999.9075550808. The cubic root of 80998336 is about 432.6719082284.

The spelling of 80998336 in words is "eighty million, nine hundred ninety-eight thousand, three hundred thirty-six".