2279784957227 has 4 divisors (see below), whose sum is σ = 2280182345736. Its totient is φ = 2279387568720.

The previous prime is 2279784957209. The next prime is 2279784957253. The reversal of 2279784957227 is 7227594879722.

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 2279784957227 - 2³⁴ = 2262605088043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279784957727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198685649 + ... + 198697122.

It is an arithmetic number, because the mean of its divisors is an integer number (570045586434).

Almost surely, 2^{2279784957227} is an apocalyptic number.

2279784957227 is a deficient number, since it is larger than the sum of its proper divisors (397388509).

2279784957227 is an equidigital number, since it uses as much as digits as its factorization.

2279784957227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397388508.

The product of its digits is 497871360, while the sum is 71.

The spelling of 2279784957227 in words is "two trillion, two hundred seventy-nine billion, seven hundred eighty-four million, nine hundred fifty-seven thousand, two hundred twenty-seven".