27934498128 has 40 divisors (see below), whose sum is σ = 73699532928. Its totient is φ = 9113381632.

The previous prime is 27934498127. The next prime is 27934498129. The reversal of 27934498128 is 82189443972.

It is an interprime number because it is at equal distance from previous prime (27934498127) and next prime (27934498129).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27934498121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6188901 + ... + 6193412.

Almost surely, 2^27934498128 is an apocalyptic number.

It is an amenable number.

27934498128 is an abundant number, since it is smaller than the sum of its proper divisors (45765034800).

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

27934498128 is a wasteful number, since it uses less digits than its factorization.

27934498128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382371 (or 12382365 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The spelling of 27934498128 in words is "twenty-seven billion, nine hundred thirty-four million, four hundred ninety-eight thousand, one hundred twenty-eight".