85811234 has 8 divisors (see below), whose sum is σ = 128800848. Its totient is φ = 42877620.

The previous prime is 85811213. The next prime is 85811267. The reversal of 85811234 is 43211858.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85811234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9932 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (16100106).

Almost surely, 2^85811234 is an apocalyptic number.

85811234 is a deficient number, since it is larger than the sum of its proper divisors (42989614).

85811234 is a wasteful number, since it uses less digits than its factorization.

85811234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28000.

The product of its digits is 7680, while the sum is 32.

The square root of 85811234 is about 9263.4353238958. The cubic root of 85811234 is about 441.0773084817.

The spelling of 85811234 in words is "eighty-five million, eight hundred eleven thousand, two hundred thirty-four".