85571834 has 8 divisors (see below), whose sum is σ = 128438400. Its totient is φ = 42759036.

The previous prime is 85571833. The next prime is 85571881. The reversal of 85571834 is 43817558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85571791 and 85571800.

It is not an unprimeable number, because it can be changed into a prime (85571833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9194 + ... + 15989.

It is an arithmetic number, because the mean of its divisors is an integer number (16054800).

Almost surely, 2^85571834 is an apocalyptic number.

85571834 is a deficient number, since it is larger than the sum of its proper divisors (42866566).

85571834 is a wasteful number, since it uses less digits than its factorization.

85571834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26884.

The product of its digits is 134400, while the sum is 41.

The square root of 85571834 is about 9250.5045267812. The cubic root of 85571834 is about 440.6667474084. Note that the first 3 decimals are identical.

The spelling of 85571834 in words is "eighty-five million, five hundred seventy-one thousand, eight hundred thirty-four".