281888082 has 36 divisors (see below), whose sum is σ = 710475246. Its totient is φ = 80539200.

The previous prime is 281888063. The next prime is 281888099. The reversal of 281888082 is 280888182.

It is a happy number.

281888082 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 268992801 + 12895281 = 16401^2 + 3591^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 158919 + ... + 160682.

Almost surely, 2^281888082 is an apocalyptic number.

281888082 is an abundant number, since it is smaller than the sum of its proper divisors (428587164).

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

281888082 is a wasteful number, since it uses less digits than its factorization.

281888082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319623 (or 319613 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 45.

The square root of 281888082 is about 16789.5229830987. The cubic root of 281888082 is about 655.6804551810.

The spelling of 281888082 in words is "two hundred eighty-one million, eight hundred eighty-eight thousand, eighty-two".