85047 has 4 divisors (see below), whose sum is σ = 113400. Its totient is φ = 56696.

The previous prime is 85037. The next prime is 85049. The reversal of 85047 is 74058.

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 85047 - 2⁷ = 84919 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85047.

It is not an unprimeable number, because it can be changed into a prime (85049) 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, 14172 + ... + 14177.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2⁸⁵⁰⁴⁷ is an apocalyptic number.

85047 is a deficient number, since it is larger than the sum of its proper divisors (28353).

85047 is a wasteful number, since it uses less digits than its factorization.

85047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28352.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 85047 is about 291.6281879380. The cubic root of 85047 is about 43.9763991889.

The spelling of 85047 in words is "eighty-five thousand, forty-seven".