85384703285 has 32 divisors (see below), whose sum is σ = 126517593600. Its totient is φ = 55105403136.

The previous prime is 85384703249. The next prime is 85384703309. The reversal of 85384703285 is 58230748358.

It is a happy number.

It is not a de Polignac number, because 85384703285 - 2¹⁶ = 85384637749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1435169 + ... + 1493478.

It is an arithmetic number, because the mean of its divisors is an integer number (3953674800).

Almost surely, 2^85384703285 is an apocalyptic number.

85384703285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85384703285 is a deficient number, since it is larger than the sum of its proper divisors (41132890315).

85384703285 is a wasteful number, since it uses less digits than its factorization.

85384703285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928690 (or 2928676 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 85384703285 in words is "eighty-five billion, three hundred eighty-four million, seven hundred three thousand, two hundred eighty-five".