8485390188 has 72 divisors (see below), whose sum is σ = 23424360960. Its totient is φ = 2568555360.

The previous prime is 8485390181. The next prime is 8485390219. The reversal of 8485390188 is 8810935848.

It is not an unprimeable number, because it can be changed into a prime (8485390181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371853 + ... + 394011.

Almost surely, 2^8485390188 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 8485390188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11712180480).

8485390188 is an abundant number, since it is smaller than the sum of its proper divisors (14938970772).

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

8485390188 is a wasteful number, since it uses less digits than its factorization.

8485390188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23147 (or 23142 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The square root of 8485390188 is about 92116.1776671177. The cubic root of 8485390188 is about 2039.6576213183.

The spelling of 8485390188 in words is "eight billion, four hundred eighty-five million, three hundred ninety thousand, one hundred eighty-eight".