85130430 has 128 divisors (see below), whose sum is σ = 257541120. Its totient is φ = 17495040.

The previous prime is 85130389. The next prime is 85130443. The reversal of 85130430 is 3403158.

It is a super-2 number, since 2×85130430² = 14494380223969800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85130430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316336 + ... + 316604.

It is an arithmetic number, because the mean of its divisors is an integer number (2012040).

Almost surely, 2^85130430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85130430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128770560).

85130430 is an abundant number, since it is smaller than the sum of its proper divisors (172410690).

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

85130430 is a wasteful number, since it uses less digits than its factorization.

85130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 85130430 is about 9226.6153057337. The cubic root of 85130430 is about 439.9077458101.

Adding to 85130430 its reverse (3403158), we get a palindrome (88533588).

The spelling of 85130430 in words is "eighty-five million, one hundred thirty thousand, four hundred thirty".