80717085 has 24 divisors (see below), whose sum is σ = 141601824. Its totient is φ = 42528480.

The previous prime is 80717057. The next prime is 80717089. The reversal of 80717085 is 58071708.

It is not a de Polignac number, because 80717085 - 2⁵ = 80717053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80717089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7071 + ... + 14540.

It is an arithmetic number, because the mean of its divisors is an integer number (5900076).

Almost surely, 2^80717085 is an apocalyptic number.

It is an amenable number.

80717085 is a deficient number, since it is larger than the sum of its proper divisors (60884739).

80717085 is a wasteful number, since it uses less digits than its factorization.

80717085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21705 (or 21702 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 80717085 is about 8984.2687515457. The cubic root of 80717085 is about 432.1705377360.

The spelling of 80717085 in words is "eighty million, seven hundred seventeen thousand, eighty-five".