27119375868 has 384 divisors, whose sum is σ = 80031974400. Its totient is φ = 7050903552.

The previous prime is 27119375821. The next prime is 27119375909. The reversal of 27119375868 is 86857391172.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 97903746 + ... + 97904022.

It is an arithmetic number, because the mean of its divisors is an integer number (208416600).

Almost surely, 2^27119375868 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 27119375868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40015987200).

27119375868 is an abundant number, since it is smaller than the sum of its proper divisors (52912598532).

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

27119375868 is a wasteful number, since it uses less digits than its factorization.

27119375868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The spelling of 27119375868 in words is "twenty-seven billion, one hundred nineteen million, three hundred seventy-five thousand, eight hundred sixty-eight".