27545507856 has 60 divisors (see below), whose sum is σ = 77131646592. Its totient is φ = 9176776128.

The previous prime is 27545507831. The next prime is 27545507879. The reversal of 27545507856 is 65870554572.

27545507856 is a `hidden beast` number, since 2 + 7 + 5 + 4 + 550 + 7 + 85 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214185 + ... + 317751.

Almost surely, 2^27545507856 is an apocalyptic number.

It is an amenable number.

27545507856 is an abundant number, since it is smaller than the sum of its proper divisors (49586138736).

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

27545507856 is a wasteful number, since it uses less digits than its factorization.

27545507856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105428 (or 105419 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 54.

The spelling of 27545507856 in words is "twenty-seven billion, five hundred forty-five million, five hundred seven thousand, eight hundred fifty-six".