27613028556 has 18 divisors (see below), whose sum is σ = 69799600052. Its totient is φ = 9204342840.

The previous prime is 27613028551. The next prime is 27613028633. The reversal of 27613028556 is 65582031672.

27613028556 is a `hidden beast` number, since 2 + 7 + 61 + 30 + 2 + 8 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (27613028551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383514250 + ... + 383514321.

Almost surely, 2^27613028556 is an apocalyptic number.

It is an amenable number.

27613028556 is an abundant number, since it is smaller than the sum of its proper divisors (42186571496).

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

27613028556 is a wasteful number, since it uses less digits than its factorization.

27613028556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767028581 (or 767028576 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 27613028556 in words is "twenty-seven billion, six hundred thirteen million, twenty-eight thousand, five hundred fifty-six".