27706449226 has 4 divisors (see below), whose sum is σ = 41559673842. Its totient is φ = 13853224612.

The previous prime is 27706449223. The next prime is 27706449263. The reversal of 27706449226 is 62294460772.

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

It can be written as a sum of positive squares in only one way, i.e., 26498956225 + 1207493001 = 162785^2 + 34749^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27706449226.

It is not an unprimeable number, because it can be changed into a prime (27706449223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6926612305 + ... + 6926612308.

Almost surely, 2^27706449226 is an apocalyptic number.

27706449226 is a deficient number, since it is larger than the sum of its proper divisors (13853224616).

27706449226 is a wasteful number, since it uses less digits than its factorization.

27706449226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853224615.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 27706449226 in words is "twenty-seven billion, seven hundred six million, four hundred forty-nine thousand, two hundred twenty-six".