27603028728 has 48 divisors (see below), whose sum is σ = 81554405400. Its totient is φ = 8364553920.

The previous prime is 27603028727. The next prime is 27603028729. The reversal of 27603028728 is 82782030672.

27603028728 is a `hidden beast` number, since 276 + 0 + 302 + 8 + 72 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (27603028727) and next prime (27603028729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27603028721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17425363 + ... + 17426946.

Almost surely, 2^27603028728 is an apocalyptic number.

It is an amenable number.

27603028728 is an abundant number, since it is smaller than the sum of its proper divisors (53951376672).

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

27603028728 is a wasteful number, since it uses less digits than its factorization.

27603028728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34852332 (or 34852325 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 27603028728 in words is "twenty-seven billion, six hundred three million, twenty-eight thousand, seven hundred twenty-eight".