27887385484608 has 224 divisors, whose sum is σ = 81600388853760. Its totient is φ = 8352787322880.

The previous prime is 27887385484601. The next prime is 27887385484627. The reversal of 27887385484608 is 80648458378872.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27887385484601) 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, 13004091 + ... + 14996037.

It is an arithmetic number, because the mean of its divisors is an integer number (364287450240).

Almost surely, 2^{27887385484608} 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 27887385484608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40800194426880).

27887385484608 is an abundant number, since it is smaller than the sum of its proper divisors (53713003369152).

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

27887385484608 is a wasteful number, since it uses less digits than its factorization.

27887385484608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992125 (or 1992115 counting only the distinct ones).

The product of its (nonzero) digits is 4624220160, while the sum is 78.

The spelling of 27887385484608 in words is "twenty-seven trillion, eight hundred eighty-seven billion, three hundred eighty-five million, four hundred eighty-four thousand, six hundred eight".