80817105 has 8 divisors (see below), whose sum is σ = 129307392. Its totient is φ = 43102448.

The previous prime is 80817097. The next prime is 80817137. The reversal of 80817105 is 50171808.

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

It is a cyclic number.

It is not a de Polignac number, because 80817105 - 2³ = 80817097 is a prime.

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, 2693889 + ... + 2693918.

It is an arithmetic number, because the mean of its divisors is an integer number (16163424).

Almost surely, 2^80817105 is an apocalyptic number.

It is an amenable number.

80817105 is a deficient number, since it is larger than the sum of its proper divisors (48490287).

80817105 is a wasteful number, since it uses less digits than its factorization.

80817105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387815.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 80817105 is about 8989.8334244857. The cubic root of 80817105 is about 432.3489710676.

The spelling of 80817105 in words is "eighty million, eight hundred seventeen thousand, one hundred five".