80840806 has 8 divisors (see below), whose sum is σ = 125442720. Its totient is φ = 39026568.

The previous prime is 80840789. The next prime is 80840833. The reversal of 80840806 is 60804808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696846 + ... + 696961.

It is an arithmetic number, because the mean of its divisors is an integer number (15680340).

Almost surely, 2^80840806 is an apocalyptic number.

80840806 is a deficient number, since it is larger than the sum of its proper divisors (44601914).

80840806 is a wasteful number, since it uses less digits than its factorization.

80840806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393838.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 80840806 is about 8991.1515391523. The cubic root of 80840806 is about 432.3912315166.

It can be divided in two parts, 808 and 40806, that added together give a palindrome (41614).

The spelling of 80840806 in words is "eighty million, eight hundred forty thousand, eight hundred six".