80341985 has 12 divisors (see below), whose sum is σ = 99166548. Its totient is φ = 62441568.

The previous prime is 80341981. The next prime is 80342021. The reversal of 80341985 is 58914308.

It can be written as a sum of positive squares in 2 ways, for example, as 52548001 + 27793984 = 7249^2 + 5272^2 .

It is not a de Polignac number, because 80341985 - 2² = 80341981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80341981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121586 + ... + 122244.

It is an arithmetic number, because the mean of its divisors is an integer number (8263879).

Almost surely, 2^80341985 is an apocalyptic number.

It is an amenable number.

80341985 is a deficient number, since it is larger than the sum of its proper divisors (18824563).

80341985 is an frugal number, since it uses more digits than its factorization.

80341985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80341985 is about 8963.3690652567. The cubic root of 80341985 is about 431.5000521414.

The spelling of 80341985 in words is "eighty million, three hundred forty-one thousand, nine hundred eighty-five".