80517808 has 40 divisors (see below), whose sum is σ = 179131392. Its totient is φ = 34344768.

The previous prime is 80517803. The next prime is 80517817. The reversal of 80517808 is 80871508.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80517803) 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, 23841 + ... + 27007.

Almost surely, 2^80517808 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 80517808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89565696).

80517808 is an abundant number, since it is smaller than the sum of its proper divisors (98613584).

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

80517808 is a wasteful number, since it uses less digits than its factorization.

80517808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 80517808 is about 8973.1715686261. The cubic root of 80517808 is about 431.8145923623.

The spelling of 80517808 in words is "eighty million, five hundred seventeen thousand, eight hundred eight".