80808844 has 24 divisors (see below), whose sum is σ = 147879648. Its totient is φ = 38565120.

The previous prime is 80808841. The next prime is 80808859. The reversal of 80808844 is 44880808.

It is a junction number, because it is equal to n+sod(n) for n = 80808797 and 80808806.

It is not an unprimeable number, because it can be changed into a prime (80808841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80554 + ... + 81550.

It is an arithmetic number, because the mean of its divisors is an integer number (6161652).

Almost surely, 2^80808844 is an apocalyptic number.

It is an amenable number.

80808844 is a deficient number, since it is larger than the sum of its proper divisors (67070804).

80808844 is a wasteful number, since it uses less digits than its factorization.

80808844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 80808844 is about 8989.3739492803. The cubic root of 80808844 is about 432.3342392170.

Subtracting from 80808844 its reverse (44880808), we obtain a square (35928036 = 5994²).

The spelling of 80808844 in words is "eighty million, eight hundred eight thousand, eight hundred forty-four".