85238128 has 10 divisors (see below), whose sum is σ = 165148904. Its totient is φ = 42619056.

The previous prime is 85238117. The next prime is 85238129. The reversal of 85238128 is 82183258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85238129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2663676 + ... + 2663707.

Almost surely, 2^85238128 is an apocalyptic number.

It is an amenable number.

85238128 is a deficient number, since it is larger than the sum of its proper divisors (79910776).

85238128 is a wasteful number, since it uses less digits than its factorization.

85238128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327391 (or 5327385 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 85238128 is about 9232.4497290806. The cubic root of 85238128 is about 440.0931758597.

The spelling of 85238128 in words is "eighty-five million, two hundred thirty-eight thousand, one hundred twenty-eight".