27894070134 has 192 divisors, whose sum is σ = 76223766528. Its totient is φ = 7196428800.

The previous prime is 27894070129. The next prime is 27894070151. The reversal of 27894070134 is 43107049872.

It is a self number, because there is not a number n which added to its sum of digits gives 27894070134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3679572 + ... + 3687144.

It is an arithmetic number, because the mean of its divisors is an integer number (396998784).

Almost surely, 2^27894070134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27894070134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38111883264).

27894070134 is an abundant number, since it is smaller than the sum of its proper divisors (48329696394).

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

27894070134 is a wasteful number, since it uses less digits than its factorization.

27894070134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683 (or 7680 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 27894070134 in words is "twenty-seven billion, eight hundred ninety-four million, seventy thousand, one hundred thirty-four".