85854319 has 4 divisors (see below), whose sum is σ = 88174744. Its totient is φ = 83533896.

The previous prime is 85854317. The next prime is 85854337. The reversal of 85854319 is 91345858.

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

It is a cyclic number.

It is not a de Polignac number, because 85854319 - 2¹ = 85854317 is a prime.

It is a super-2 number, since 2×85854319² = 14741928181907522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85854317) 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 3 ways as a sum of consecutive naturals, for example, 1160157 + ... + 1160230.

It is an arithmetic number, because the mean of its divisors is an integer number (22043686).

Almost surely, 2^85854319 is an apocalyptic number.

85854319 is a deficient number, since it is larger than the sum of its proper divisors (2320425).

85854319 is a wasteful number, since it uses less digits than its factorization.

85854319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320424.

The product of its digits is 172800, while the sum is 43.

The square root of 85854319 is about 9265.7605732071. The cubic root of 85854319 is about 441.1511163632.

The spelling of 85854319 in words is "eighty-five million, eight hundred fifty-four thousand, three hundred nineteen".