80844090 has 16 divisors (see below), whose sum is σ = 194025888. Its totient is φ = 21558416.

The previous prime is 80844077. The next prime is 80844109. The reversal of 80844090 is 9044808.

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, 1347372 + ... + 1347431.

It is an arithmetic number, because the mean of its divisors is an integer number (12126618).

Almost surely, 2^80844090 is an apocalyptic number.

80844090 is an abundant number, since it is smaller than the sum of its proper divisors (113181798).

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

80844090 is a wasteful number, since it uses less digits than its factorization.

80844090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694813.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 80844090 is about 8991.3341612911. The cubic root of 80844090 is about 432.3970864540.

Adding to 80844090 its reverse (9044808), we get a palindrome (89888898).

The spelling of 80844090 in words is "eighty million, eight hundred forty-four thousand, ninety".