80719808 has 84 divisors (see below), whose sum is σ = 184068720. Its totient is φ = 34983936.

The previous prime is 80719801. The next prime is 80719853. The reversal of 80719808 is 80891708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80719801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183653 + ... + 184091.

Almost surely, 2^80719808 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 80719808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92034360).

80719808 is an abundant number, since it is smaller than the sum of its proper divisors (103348912).

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

80719808 is a wasteful number, since it uses less digits than its factorization.

80719808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 80719808 is about 8984.4202929293. The cubic root of 80719808 is about 432.1753974553.

The spelling of 80719808 in words is "eighty million, seven hundred nineteen thousand, eight hundred eight".