85120284 has 24 divisors (see below), whose sum is σ = 201580288. Its totient is φ = 27949680.

The previous prime is 85120271. The next prime is 85120289. The reversal of 85120284 is 48202158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85120289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52132 + ... + 53739.

Almost surely, 2^85120284 is an apocalyptic number.

It is an amenable number.

85120284 is an abundant number, since it is smaller than the sum of its proper divisors (116460004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85120284 is a wasteful number, since it uses less digits than its factorization.

85120284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105945 (or 105943 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 85120284 is about 9226.0654669258. The cubic root of 85120284 is about 439.8902687798.

The spelling of 85120284 in words is "eighty-five million, one hundred twenty thousand, two hundred eighty-four".