8479452281 has 4 divisors (see below), whose sum is σ = 8586787200. Its totient is φ = 8372117364.

The previous prime is 8479452271. The next prime is 8479452299. The reversal of 8479452281 is 1822549748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8479452281 - 2²² = 8475257977 is a prime.

It is a super-2 number, since 2×8479452281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8479452271) 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 3 ways as a sum of consecutive naturals, for example, 53667341 + ... + 53667498.

It is an arithmetic number, because the mean of its divisors is an integer number (2146696800).

Almost surely, 2^8479452281 is an apocalyptic number.

It is an amenable number.

8479452281 is a deficient number, since it is larger than the sum of its proper divisors (107334919).

8479452281 is a wasteful number, since it uses less digits than its factorization.

8479452281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107334918.

The product of its digits is 1290240, while the sum is 50.

The square root of 8479452281 is about 92083.9414936177. The cubic root of 8479452281 is about 2039.1817397077.

The spelling of 8479452281 in words is "eight billion, four hundred seventy-nine million, four hundred fifty-two thousand, two hundred eighty-one".