85830305 has 16 divisors (see below), whose sum is σ = 113479488. Its totient is φ = 61800000.

The previous prime is 85830301. The next prime is 85830359. The reversal of 85830305 is 50303858.

It is not a de Polignac number, because 85830305 - 2² = 85830301 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85830301) by changing a digit.

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, 2171 + ... + 13280.

It is an arithmetic number, because the mean of its divisors is an integer number (7092468).

Almost surely, 2^85830305 is an apocalyptic number.

It is an amenable number.

85830305 is a deficient number, since it is larger than the sum of its proper divisors (27649183).

85830305 is a wasteful number, since it uses less digits than its factorization.

85830305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 85830305 is about 9264.4646364482. The cubic root of 85830305 is about 441.1099816018.

The spelling of 85830305 in words is "eighty-five million, eight hundred thirty thousand, three hundred five".