85235500 has 120 divisors (see below), whose sum is σ = 220225824. Its totient is φ = 28812000.

The previous prime is 85235497. The next prime is 85235519. The reversal of 85235500 is 553258.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1200465 + ... + 1200535.

Almost surely, 2^85235500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85235500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110112912).

85235500 is an abundant number, since it is smaller than the sum of its proper divisors (134990324).

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

85235500 is an equidigital number, since it uses as much as digits as its factorization.

85235500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 85235500 is about 9232.3074038942. The cubic root of 85235500 is about 440.0886529356.

Adding to 85235500 its reverse (553258), we get a palindrome (85788758).

The spelling of 85235500 in words is "eighty-five million, two hundred thirty-five thousand, five hundred".