27868087170 has 576 divisors, whose sum is σ = 97518919680. Its totient is φ = 5388768000.

The previous prime is 27868087147. The next prime is 27868087213. The reversal of 27868087170 is 7178086872.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 102834135 + ... + 102834405.

It is an arithmetic number, because the mean of its divisors is an integer number (169303680).

Almost surely, 2^27868087170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27868087170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48759459840).

27868087170 is an abundant number, since it is smaller than the sum of its proper divisors (69650832510).

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

27868087170 is a wasteful number, since it uses less digits than its factorization.

27868087170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The spelling of 27868087170 in words is "twenty-seven billion, eight hundred sixty-eight million, eighty-seven thousand, one hundred seventy".