27528331072 has 28 divisors (see below), whose sum is σ = 59592581856. Its totient is φ = 12512877440.

The previous prime is 27528331063. The next prime is 27528331079. The reversal of 27528331072 is 27013382572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27528331079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19550668 + ... + 19552075.

Almost surely, 2^27528331072 is an apocalyptic number.

27528331072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27528331072 is an abundant number, since it is smaller than the sum of its proper divisors (32064250784).

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

27528331072 is a wasteful number, since it uses less digits than its factorization.

27528331072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39102766 (or 39102756 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 27528331072 in words is "twenty-seven billion, five hundred twenty-eight million, three hundred thirty-one thousand, seventy-two".