86889528 has 96 divisors (see below), whose sum is σ = 265075200. Its totient is φ = 25473600.

The previous prime is 86889521. The next prime is 86889557. The reversal of 86889528 is 82598868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86889521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22783 + ... + 26321.

It is an arithmetic number, because the mean of its divisors is an integer number (2761200).

Almost surely, 2^86889528 is an apocalyptic number.

86889528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86889528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132537600).

86889528 is an abundant number, since it is smaller than the sum of its proper divisors (178185672).

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

86889528 is a wasteful number, since it uses less digits than its factorization.

86889528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3586 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 86889528 is about 9321.4552511933. The cubic root of 86889528 is about 442.9171322729.

The spelling of 86889528 in words is "eighty-six million, eight hundred eighty-nine thousand, five hundred twenty-eight".