85358406328 has 64 divisors (see below), whose sum is σ = 173944552320. Its totient is φ = 39034569600.

The previous prime is 85358406323. The next prime is 85358406361. The reversal of 85358406328 is 82360485358.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85358406323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9409651 + ... + 9418717.

It is an arithmetic number, because the mean of its divisors is an integer number (2717883630).

Almost surely, 2^85358406328 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 85358406328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86972276160).

85358406328 is an abundant number, since it is smaller than the sum of its proper divisors (88586145992).

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

85358406328 is a wasteful number, since it uses less digits than its factorization.

85358406328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908 (or 9904 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 85358406328 in words is "eighty-five billion, three hundred fifty-eight million, four hundred six thousand, three hundred twenty-eight".