27102988528 has 80 divisors (see below), whose sum is σ = 66049272576. Its totient is φ = 10466104320.

The previous prime is 27102988513. The next prime is 27102988547. The reversal of 27102988528 is 82588920172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41875 + ... + 236557.

Almost surely, 2^27102988528 is an apocalyptic number.

27102988528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27102988528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33024636288).

27102988528 is an abundant number, since it is smaller than the sum of its proper divisors (38946284048).

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

27102988528 is a wasteful number, since it uses less digits than its factorization.

27102988528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194822 (or 194816 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 27102988528 in words is "twenty-seven billion, one hundred two million, nine hundred eighty-eight thousand, five hundred twenty-eight".