27808808059998 has 384 divisors, whose sum is σ = 79945263360000. Its totient is φ = 7112989562112.

The previous prime is 27808808059997. The next prime is 27808808060021. The reversal of 27808808059998 is 89995080880872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27808808059997) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 68320548 + ... + 68726376.

It is an arithmetic number, because the mean of its divisors is an integer number (208190790000).

Almost surely, 2^{27808808059998} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27808808059998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39972631680000).

27808808059998 is an abundant number, since it is smaller than the sum of its proper divisors (52136455300002).

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

27808808059998 is a wasteful number, since it uses less digits than its factorization.

27808808059998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405949 (or 405936 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 81.

The spelling of 27808808059998 in words is "twenty-seven trillion, eight hundred eight billion, eight hundred eight million, fifty-nine thousand, nine hundred ninety-eight".