27428856192 has 48 divisors (see below), whose sum is σ = 78929394180. Its totient is φ = 9142951680.

The previous prime is 27428856181. The next prime is 27428856251. The reversal of 27428856192 is 29165882472.

27428856192 is a `hidden beast` number, since 2 + 74 + 2 + 8 + 8 + 561 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11903734 + ... + 11906037.

Almost surely, 2^27428856192 is an apocalyptic number.

It is an amenable number.

27428856192 is an abundant number, since it is smaller than the sum of its proper divisors (51500537988).

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

27428856192 is a wasteful number, since it uses less digits than its factorization.

27428856192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23809791 (or 23809776 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 27428856192 in words is "twenty-seven billion, four hundred twenty-eight million, eight hundred fifty-six thousand, one hundred ninety-two".