27774223447 has 8 divisors (see below), whose sum is σ = 28742289840. Its totient is φ = 26806846080.

The previous prime is 27774223387. The next prime is 27774223487. The reversal of 27774223447 is 74432247772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27774223447 - 2⁷ = 27774223319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27774223447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27774223487) 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 7 ways as a sum of consecutive naturals, for example, 89554 + ... + 252127.

It is an arithmetic number, because the mean of its divisors is an integer number (3592786230).

Almost surely, 2^27774223447 is an apocalyptic number.

27774223447 is a deficient number, since it is larger than the sum of its proper divisors (968066393).

27774223447 is a wasteful number, since it uses less digits than its factorization.

27774223447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344513.

The product of its digits is 3687936, while the sum is 49.

It can be divided in two parts, 2777 and 4223447, that added together give a palindrome (4226224).

The spelling of 27774223447 in words is "twenty-seven billion, seven hundred seventy-four million, two hundred twenty-three thousand, four hundred forty-seven".