284171087929 has 3 divisors (see below), whose sum is σ = 284171621007. Its totient is φ = 284170554852.

The previous prime is 284171087923. The next prime is 284171087953. The reversal of 284171087929 is 929780171482.

The square root of 284171087929 is 533077.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 228450541225 + 55720546704 = 477965^2 + 236052^2 .

It is not a de Polignac number, because 284171087929 - 2¹¹ = 284171085881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284171087923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 266539 + ... + 799615.

It is an arithmetic number, because the mean of its divisors is an integer number (94723873669).

Almost surely, 2^284171087929 is an apocalyptic number.

284171087929 is the 533077-th square number.

284171087929 is the 266539-th centered octagonal number.

It is an amenable number.

284171087929 is a deficient number, since it is larger than the sum of its proper divisors (533078).

284171087929 is an frugal number, since it uses more digits than its factorization.

284171087929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066154 (or 533077 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 284171087929 in words is "two hundred eighty-four billion, one hundred seventy-one million, eighty-seven thousand, nine hundred twenty-nine".