85393847 has 16 divisors (see below), whose sum is σ = 112070400. Its totient is φ = 63037440.

The previous prime is 85393823. The next prime is 85393859. The reversal of 85393847 is 74839358.

It is not a de Polignac number, because 85393847 - 2¹⁰ = 85392823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85393897) 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 15 ways as a sum of consecutive naturals, for example, 27722 + ... + 30647.

It is an arithmetic number, because the mean of its divisors is an integer number (7004400).

Almost surely, 2^85393847 is an apocalyptic number.

85393847 is a deficient number, since it is larger than the sum of its proper divisors (26676553).

85393847 is a wasteful number, since it uses less digits than its factorization.

85393847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58406.

The product of its digits is 725760, while the sum is 47.

The square root of 85393847 is about 9240.8791248452. The cubic root of 85393847 is about 440.3610105358.

The spelling of 85393847 in words is "eighty-five million, three hundred ninety-three thousand, eight hundred forty-seven".