27776842099876 has 81 divisors (see below), whose sum is σ = 51900553823139. Its totient is φ = 13005090556416.

The previous prime is 27776842099763. The next prime is 27776842099907. The reversal of 27776842099876 is 67899024867772.

The square root of 27776842099876 is 5270374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13823449640100 + 13953392459776 = 3717990^2 + 3735424^2 .

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 27776842099876.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 67914039160 + ... + 67914039568.

Almost surely, 2^{27776842099876} is an apocalyptic number.

27776842099876 is the 5270374-th square number.

It is an amenable number.

27776842099876 is a deficient number, since it is larger than the sum of its proper divisors (24123711723263).

27776842099876 is an frugal number, since it uses more digits than its factorization.

27776842099876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 7169347584, while the sum is 82.

The spelling of 27776842099876 in words is "twenty-seven trillion, seven hundred seventy-six billion, eight hundred forty-two million, ninety-nine thousand, eight hundred seventy-six".