80873805 has 8 divisors (see below), whose sum is σ = 129398112. Its totient is φ = 43132688.

The previous prime is 80873803. The next prime is 80873809. The reversal of 80873805 is 50837808.

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 80873805 - 2¹ = 80873803 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80873803) 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, 2695779 + ... + 2695808.

It is an arithmetic number, because the mean of its divisors is an integer number (16174764).

Almost surely, 2^80873805 is an apocalyptic number.

It is an amenable number.

80873805 is a deficient number, since it is larger than the sum of its proper divisors (48524307).

80873805 is a wasteful number, since it uses less digits than its factorization.

80873805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391595.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 80873805 is about 8992.9864338828. The cubic root of 80873805 is about 432.4500571598.

The spelling of 80873805 in words is "eighty million, eight hundred seventy-three thousand, eight hundred five".