27800053528 has 64 divisors (see below), whose sum is σ = 59753484000. Its totient is φ = 12018834432.

The previous prime is 27800053513. The next prime is 27800053529. The reversal of 27800053528 is 82535000872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800053529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96826 + ... + 254902.

Almost surely, 2^27800053528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27800053528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29876742000).

27800053528 is an abundant number, since it is smaller than the sum of its proper divisors (31953430472).

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

27800053528 is a wasteful number, since it uses less digits than its factorization.

27800053528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158204 (or 158200 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 27800053528 in words is "twenty-seven billion, eight hundred million, fifty-three thousand, five hundred twenty-eight".