80335985 has 4 divisors (see below), whose sum is σ = 96403188. Its totient is φ = 64268784.

The previous prime is 80335967. The next prime is 80336029. The reversal of 80335985 is 58953308.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32615521 + 47720464 = 5711^2 + 6908^2 .

It is a cyclic number.

It is not a de Polignac number, because 80335985 - 2¹⁴ = 80319601 is a prime.

It is a Duffinian number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 8033594 + ... + 8033603.

It is an arithmetic number, because the mean of its divisors is an integer number (24100797).

Almost surely, 2^80335985 is an apocalyptic number.

It is an amenable number.

80335985 is a deficient number, since it is larger than the sum of its proper divisors (16067203).

80335985 is a wasteful number, since it uses less digits than its factorization.

80335985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16067202.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 80335985 is about 8963.0343634285. The cubic root of 80335985 is about 431.4893102910.

The spelling of 80335985 in words is "eighty million, three hundred thirty-five thousand, nine hundred eighty-five".