85284359 has 4 divisors (see below), whose sum is σ = 90301104. Its totient is φ = 80267616.

The previous prime is 85284349. The next prime is 85284373. The reversal of 85284359 is 95348258.

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 85284359 - 2¹⁶ = 85218823 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 (85284319) 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, 2508347 + ... + 2508380.

It is an arithmetic number, because the mean of its divisors is an integer number (22575276).

Almost surely, 2^85284359 is an apocalyptic number.

85284359 is a deficient number, since it is larger than the sum of its proper divisors (5016745).

85284359 is a wasteful number, since it uses less digits than its factorization.

85284359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016744.

The product of its digits is 345600, while the sum is 44.

The square root of 85284359 is about 9234.9531130374. The cubic root of 85284359 is about 440.1727266070.

The spelling of 85284359 in words is "eighty-five million, two hundred eighty-four thousand, three hundred fifty-nine".