85344798 has 128 divisors (see below), whose sum is σ = 225607680. Its totient is φ = 20880000.

The previous prime is 85344781. The next prime is 85344841. The reversal of 85344798 is 89744358.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 844948 + ... + 845048.

It is an arithmetic number, because the mean of its divisors is an integer number (1762560).

Almost surely, 2^85344798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85344798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112803840).

85344798 is an abundant number, since it is smaller than the sum of its proper divisors (140262882).

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

85344798 is a wasteful number, since it uses less digits than its factorization.

85344798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its digits is 967680, while the sum is 48.

The square root of 85344798 is about 9238.2248294789. The cubic root of 85344798 is about 440.2766820402.

The spelling of 85344798 in words is "eighty-five million, three hundred forty-four thousand, seven hundred ninety-eight".