189282278088 has 156 divisors (see below), whose sum is σ = 534891045195. Its totient is φ = 62795068560.

The previous prime is 189282278063. The next prime is 189282278099. The reversal of 189282278088 is 880872282981.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

189282278088 is a `hidden beast` number, since 1 + 8 + 9 + 282 + 278 + 0 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94641139044 + 94641139044 = 307638^2 + 307638^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=307638.

It is an unprimeable number.

It is a polite number, since it can be written in 38 ways as a sum of consecutive naturals, for example, 897072303 + ... + 897072513.

Almost surely, 2^189282278088 is an apocalyptic number.

189282278088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189282278088

189282278088 is an abundant number, since it is smaller than the sum of its proper divisors (345608767107).

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

189282278088 is an frugal number, since it uses more digits than its factorization.

189282278088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 63.

The spelling of 189282278088 in words is "one hundred eighty-nine billion, two hundred eighty-two million, two hundred seventy-eight thousand, eighty-eight".