80899808 has 48 divisors (see below), whose sum is σ = 174545280. Its totient is φ = 36604800.

The previous prime is 80899799. The next prime is 80899829.

80899808 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 109103 + ... + 109841.

It is an arithmetic number, because the mean of its divisors is an integer number (3636360).

Almost surely, 2^80899808 is an apocalyptic number.

80899808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80899808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87272640).

80899808 is an abundant number, since it is smaller than the sum of its proper divisors (93645472).

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

80899808 is a wasteful number, since it uses less digits than its factorization.

80899808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 80899808 is about 8994.4320554441. The cubic root of 80899808 is about 432.4964001171.

The spelling of 80899808 in words is "eighty million, eight hundred ninety-nine thousand, eight hundred eight".