844879227 has 4 divisors (see below), whose sum is σ = 1126505640. Its totient is φ = 563252816.

The previous prime is 844879223. The next prime is 844879267. The reversal of 844879227 is 722978448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 844879227 - 2² = 844879223 is a prime.

It is a super-2 number, since 2×844879227² = 1427641816432235058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 844879227.

It is not an unprimeable number, because it can be changed into a prime (844879223) 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, 140813202 + ... + 140813207.

It is an arithmetic number, because the mean of its divisors is an integer number (281626410).

Almost surely, 2^844879227 is an apocalyptic number.

844879227 is a deficient number, since it is larger than the sum of its proper divisors (281626413).

844879227 is a wasteful number, since it uses less digits than its factorization.

844879227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281626412.

The product of its digits is 1806336, while the sum is 51.

The square root of 844879227 is about 29066.8062745118. The cubic root of 844879227 is about 945.3621511650.

The spelling of 844879227 in words is "eight hundred forty-four million, eight hundred seventy-nine thousand, two hundred twenty-seven".