27656355204 has 45 divisors (see below), whose sum is σ = 72307001767. Its totient is φ = 9217787256.

The previous prime is 27656355187. The next prime is 27656355211. The reversal of 27656355204 is 40255365672.

The square root of 27656355204 is 166302.

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

27656355204 is a `hidden beast` number, since 2 + 7 + 6 + 5 + 635 + 5 + 2 + 0 + 4 = 666.

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 27656355204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2988817 + ... + 2998055.

Almost surely, 2^27656355204 is an apocalyptic number.

27656355204 is the 166302-nd square number.

It is an amenable number.

27656355204 is an abundant number, since it is smaller than the sum of its proper divisors (44650646563).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27656355204 is an frugal number, since it uses more digits than its factorization.

27656355204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18494 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 27656355204 in words is "twenty-seven billion, six hundred fifty-six million, three hundred fifty-five thousand, two hundred four".