27134447928 has 32 divisors (see below), whose sum is σ = 77526994560. Its totient is φ = 7752699360.

The previous prime is 27134447927. The next prime is 27134447947. The reversal of 27134447928 is 82974443172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27134447927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80757118 + ... + 80757453.

It is an arithmetic number, because the mean of its divisors is an integer number (2422718580).

Almost surely, 2^27134447928 is an apocalyptic number.

27134447928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27134447928 is an abundant number, since it is smaller than the sum of its proper divisors (50392546632).

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

27134447928 is a wasteful number, since it uses less digits than its factorization.

27134447928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161514587 (or 161514583 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 27134447928 in words is "twenty-seven billion, one hundred thirty-four million, four hundred forty-seven thousand, nine hundred twenty-eight".