224208872779 has 4 divisors (see below), whose sum is σ = 224217194320. Its totient is φ = 224200551240.

The previous prime is 224208872761. The next prime is 224208872807. The reversal of 224208872779 is 977278802422.

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 224208872779 - 2⁷ = 224208872651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224208572779) 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, 4120224 + ... + 4174285.

It is an arithmetic number, because the mean of its divisors is an integer number (56054298580).

Almost surely, 2^224208872779 is an apocalyptic number.

224208872779 is a deficient number, since it is larger than the sum of its proper divisors (8321541).

224208872779 is an equidigital number, since it uses as much as digits as its factorization.

224208872779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321540.

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 224208872779 in words is "two hundred twenty-four billion, two hundred eight million, eight hundred seventy-two thousand, seven hundred seventy-nine".