80785285 has 8 divisors (see below), whose sum is σ = 110791296. Its totient is φ = 55395600.

The previous prime is 80785279. The next prime is 80785297. The reversal of 80785285 is 58258708.

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

It is not a de Polignac number, because 80785285 - 2⁵ = 80785253 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 1154041 + ... + 1154110.

It is an arithmetic number, because the mean of its divisors is an integer number (13848912).

Almost surely, 2^80785285 is an apocalyptic number.

It is an amenable number.

80785285 is a deficient number, since it is larger than the sum of its proper divisors (30006011).

80785285 is a wasteful number, since it uses less digits than its factorization.

80785285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308163.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 80785285 is about 8988.0634732961. The cubic root of 80785285 is about 432.2922209106.

The spelling of 80785285 in words is "eighty million, seven hundred eighty-five thousand, two hundred eighty-five".