80342085 has 16 divisors (see below), whose sum is σ = 136109376. Its totient is φ = 40328448.

The previous prime is 80342077. The next prime is 80342107. The reversal of 80342085 is 58024308.

It is not a de Polignac number, because 80342085 - 2³ = 80342077 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 157279 + ... + 157788.

It is an arithmetic number, because the mean of its divisors is an integer number (8506836).

Almost surely, 2^80342085 is an apocalyptic number.

80342085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80342085 is a deficient number, since it is larger than the sum of its proper divisors (55767291).

80342085 is a wasteful number, since it uses less digits than its factorization.

80342085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315092.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 80342085 is about 8963.3746435146. The cubic root of 80342085 is about 431.5002311678.

The spelling of 80342085 in words is "eighty million, three hundred forty-two thousand, eighty-five".