27533307828 has 96 divisors (see below), whose sum is σ = 70334998272. Its totient is φ = 8331724800.

The previous prime is 27533307827. The next prime is 27533307829. The reversal of 27533307828 is 82870333572.

It is an interprime number because it is at equal distance from previous prime (27533307827) and next prime (27533307829).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27533307821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4793038 + ... + 4798778.

It is an arithmetic number, because the mean of its divisors is an integer number (732656232).

Almost surely, 2^27533307828 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 27533307828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35167499136).

27533307828 is an abundant number, since it is smaller than the sum of its proper divisors (42801690444).

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

27533307828 is a wasteful number, since it uses less digits than its factorization.

27533307828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 27533307828 in words is "twenty-seven billion, five hundred thirty-three million, three hundred seven thousand, eight hundred twenty-eight".