85047845 has 16 divisors (see below), whose sum is σ = 104160000. Its totient is φ = 66650688.

The previous prime is 85047841. The next prime is 85047871. The reversal of 85047845 is 54874058.

It is a cyclic number.

It is not a de Polignac number, because 85047845 - 2² = 85047841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85047841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54131 + ... + 55679.

It is an arithmetic number, because the mean of its divisors is an integer number (6510000).

Almost surely, 2^85047845 is an apocalyptic number.

It is an amenable number.

85047845 is a deficient number, since it is larger than the sum of its proper divisors (19112155).

85047845 is a wasteful number, since it uses less digits than its factorization.

85047845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 85047845 is about 9222.1388516981. The cubic root of 85047845 is about 439.7654483364.

The spelling of 85047845 in words is "eighty-five million, forty-seven thousand, eight hundred forty-five".