85243488 has 96 divisors (see below), whose sum is σ = 247121280. Its totient is φ = 25512960.

The previous prime is 85243463. The next prime is 85243489. The reversal of 85243488 is 88434258.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×85243488² = 14532904492812288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85243489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93531 + ... + 94437.

It is an arithmetic number, because the mean of its divisors is an integer number (2574180).

Almost surely, 2^85243488 is an apocalyptic number.

85243488 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 85243488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123560640).

85243488 is an abundant number, since it is smaller than the sum of its proper divisors (161877792).

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

85243488 is a wasteful number, since it uses less digits than its factorization.

85243488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1012 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 85243488 is about 9232.7400050039. The cubic root of 85243488 is about 440.1024004091.

The spelling of 85243488 in words is "eighty-five million, two hundred forty-three thousand, four hundred eighty-eight".