82080814 has 4 divisors (see below), whose sum is σ = 123121224. Its totient is φ = 41040406.

The previous prime is 82080809. The next prime is 82080821. The reversal of 82080814 is 41808028.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 20520202 + ... + 20520205.

It is an arithmetic number, because the mean of its divisors is an integer number (30780306).

Almost surely, 2^82080814 is an apocalyptic number.

82080814 is a deficient number, since it is larger than the sum of its proper divisors (41040410).

82080814 is a wasteful number, since it uses less digits than its factorization.

82080814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41040409.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 82080814 is about 9059.8462459360. The cubic root of 82080814 is about 434.5908232317.

The spelling of 82080814 in words is "eighty-two million, eighty thousand, eight hundred fourteen".