27661749122 has 32 divisors (see below), whose sum is σ = 49259041920. Its totient is φ = 11398705920.

The previous prime is 27661749067. The next prime is 27661749131. The reversal of 27661749122 is 22194716672.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43508 + ... + 239199.

It is an arithmetic number, because the mean of its divisors is an integer number (1539345060).

Almost surely, 2^27661749122 is an apocalyptic number.

27661749122 is a deficient number, since it is larger than the sum of its proper divisors (21597292798).

27661749122 is a wasteful number, since it uses less digits than its factorization.

27661749122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282986.

The product of its digits is 508032, while the sum is 47.

The spelling of 27661749122 in words is "twenty-seven billion, six hundred sixty-one million, seven hundred forty-nine thousand, one hundred twenty-two".