2854427821 has 16 divisors (see below), whose sum is σ = 3331158400. Its totient is φ = 2444904000.

The previous prime is 2854427813. The next prime is 2854427881. The reversal of 2854427821 is 1287244582.

It is not a de Polignac number, because 2854427821 - 2³ = 2854427813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2854427881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770245 + ... + 773941.

It is an arithmetic number, because the mean of its divisors is an integer number (208197400).

Almost surely, 2^2854427821 is an apocalyptic number.

It is an amenable number.

2854427821 is a deficient number, since it is larger than the sum of its proper divisors (476730579).

2854427821 is an equidigital number, since it uses as much as digits as its factorization.

2854427821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969 (or 5955 counting only the distinct ones).

The product of its digits is 286720, while the sum is 43.

The square root of 2854427821 is about 53426.8455086018. The cubic root of 2854427821 is about 1418.5338005449.

It can be divided in two parts, 28544 and 27821, that added together give a palindrome (56365).

The spelling of 2854427821 in words is "two billion, eight hundred fifty-four million, four hundred twenty-seven thousand, eight hundred twenty-one".