27608856936 has 128 divisors (see below), whose sum is σ = 74821294080. Its totient is φ = 8456416256.

The previous prime is 27608856907. The next prime is 27608856943. The reversal of 27608856936 is 63965880672.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27608856936.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8953651 + ... + 8956733.

It is an arithmetic number, because the mean of its divisors is an integer number (584541360).

Almost surely, 2^27608856936 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 27608856936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37410647040).

27608856936 is an abundant number, since it is smaller than the sum of its proper divisors (47212437144).

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

27608856936 is a wasteful number, since it uses less digits than its factorization.

27608856936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 27608856936 in words is "twenty-seven billion, six hundred eight million, eight hundred fifty-six thousand, nine hundred thirty-six".