85358222285358 has 96 divisors (see below), whose sum is σ = 188154694828800. Its totient is φ = 25796239983360.

The previous prime is 85358222285333. The next prime is 85358222285407.

85358222285358 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×85358222285358² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398522838 + ... + 398736966.

It is an arithmetic number, because the mean of its divisors is an integer number (1959944737800).

Almost surely, 2^{85358222285358} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85358222285358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94077347414400).

85358222285358 is an abundant number, since it is smaller than the sum of its proper divisors (102796472543442).

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

85358222285358 is a wasteful number, since it uses less digits than its factorization.

85358222285358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215638 (or 215627 counting only the distinct ones).

The product of its digits is 368640000, while the sum is 66.

The spelling of 85358222285358 in words is "eighty-five trillion, three hundred fifty-eight billion, two hundred twenty-two million, two hundred eighty-five thousand, three hundred fifty-eight".