27804028736 has 56 divisors (see below), whose sum is σ = 60351338784. Its totient is φ = 12604193280.

The previous prime is 27804028723. The next prime is 27804028739. The reversal of 27804028736 is 63782040872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27804028739) 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, 209651 + ... + 315533.

Almost surely, 2^27804028736 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 27804028736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30175669392).

27804028736 is an abundant number, since it is smaller than the sum of its proper divisors (32547310048).

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

27804028736 is a wasteful number, since it uses less digits than its factorization.

27804028736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106279 (or 106269 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 27804028736 in words is "twenty-seven billion, eight hundred four million, twenty-eight thousand, seven hundred thirty-six".