27534734028 has 30 divisors (see below), whose sum is σ = 71981234556. Its totient is φ = 9178244568.

The previous prime is 27534734011. The next prime is 27534734033. The reversal of 27534734028 is 82043743572.

27534734028 is a `hidden beast` number, since 2 + 7 + 534 + 73 + 40 + 2 + 8 = 666.

It is a super-2 number, since 2×27534734028² (a number of 22 digits) contains 22 as substring.

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 9 ways as a sum of consecutive naturals, for example, 42491550 + ... + 42492197.

Almost surely, 2^27534734028 is an apocalyptic number.

It is an amenable number.

27534734028 is an abundant number, since it is smaller than the sum of its proper divisors (44446500528).

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

27534734028 is a wasteful number, since it uses less digits than its factorization.

27534734028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84983763 (or 84983752 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 27534734028 in words is "twenty-seven billion, five hundred thirty-four million, seven hundred thirty-four thousand, twenty-eight".