27842716528 has 160 divisors (see below), whose sum is σ = 61556060160. Its totient is φ = 12090919680.

The previous prime is 27842716523. The next prime is 27842716529. The reversal of 27842716528 is 82561724872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27842716523) 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, 73463443 + ... + 73463821.

It is an arithmetic number, because the mean of its divisors is an integer number (384725376).

Almost surely, 2^27842716528 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 27842716528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30778030080).

27842716528 is an abundant number, since it is smaller than the sum of its proper divisors (33713343632).

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

27842716528 is a wasteful number, since it uses less digits than its factorization.

27842716528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 52.

The spelling of 27842716528 in words is "twenty-seven billion, eight hundred forty-two million, seven hundred sixteen thousand, five hundred twenty-eight".