27791161226 has 8 divisors (see below), whose sum is σ = 42273879264. Its totient is φ = 13699868140.

The previous prime is 27791161219. The next prime is 27791161231. The reversal of 27791161226 is 62216119772.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97856060 + ... + 97856343.

It is an arithmetic number, because the mean of its divisors is an integer number (5284234908).

Almost surely, 2^27791161226 is an apocalyptic number.

27791161226 is a deficient number, since it is larger than the sum of its proper divisors (14482718038).

27791161226 is a wasteful number, since it uses less digits than its factorization.

27791161226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195712476.

The product of its digits is 127008, while the sum is 44.

The spelling of 27791161226 in words is "twenty-seven billion, seven hundred ninety-one million, one hundred sixty-one thousand, two hundred twenty-six".