85673285 has 8 divisors (see below), whose sum is σ = 108855576. Its totient is φ = 64506880.

The previous prime is 85673267. The next prime is 85673293. The reversal of 85673285 is 58237658.

It can be written as a sum of positive squares in 4 ways, for example, as 41809156 + 43864129 = 6466^2 + 6623^2 .

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

It is not a de Polignac number, because 85673285 - 2¹⁸ = 85411141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503876 + ... + 504045.

It is an arithmetic number, because the mean of its divisors is an integer number (13606947).

Almost surely, 2^85673285 is an apocalyptic number.

85673285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85673285 is a deficient number, since it is larger than the sum of its proper divisors (23182291).

85673285 is a wasteful number, since it uses less digits than its factorization.

85673285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007943.

The product of its digits is 403200, while the sum is 44.

The square root of 85673285 is about 9255.9864412174. The cubic root of 85673285 is about 440.8408250397.

It can be divided in two parts, 85673 and 285, that added together give a palindrome (85958).

The spelling of 85673285 in words is "eighty-five million, six hundred seventy-three thousand, two hundred eighty-five".