85359740 has 72 divisors (see below), whose sum is σ = 193205376. Its totient is φ = 31622400.

The previous prime is 85359713. The next prime is 85359749. The reversal of 85359740 is 4795358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85359749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1399310 + ... + 1399370.

It is an arithmetic number, because the mean of its divisors is an integer number (2683408).

Almost surely, 2^85359740 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 85359740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96602688).

85359740 is an abundant number, since it is smaller than the sum of its proper divisors (107845636).

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

85359740 is a wasteful number, since it uses less digits than its factorization.

85359740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 85359740 is about 9239.0334992357. The cubic root of 85359740 is about 440.3023748004.

The spelling of 85359740 in words is "eighty-five million, three hundred fifty-nine thousand, seven hundred forty".