80834409 has 8 divisors (see below), whose sum is σ = 119754720. Its totient is φ = 53889588.

The previous prime is 80834401. The next prime is 80834483. The reversal of 80834409 is 90443808.

It is not a de Polignac number, because 80834409 - 2³ = 80834401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80834401) 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, 1496907 + ... + 1496960.

It is an arithmetic number, because the mean of its divisors is an integer number (14969340).

Almost surely, 2^80834409 is an apocalyptic number.

It is an amenable number.

80834409 is a deficient number, since it is larger than the sum of its proper divisors (38920311).

80834409 is a wasteful number, since it uses less digits than its factorization.

80834409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993876 (or 2993870 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80834409 is about 8990.7957934768. The cubic root of 80834409 is about 432.3798260568.

The spelling of 80834409 in words is "eighty million, eight hundred thirty-four thousand, four hundred nine".