27396894516 has 12 divisors (see below), whose sum is σ = 63926087232. Its totient is φ = 9132298168.

The previous prime is 27396894479. The next prime is 27396894517. The reversal of 27396894516 is 61549869372.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 27396894516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27396894517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141537260 + ... + 1141537283.

It is an arithmetic number, because the mean of its divisors is an integer number (5327173936).

Almost surely, 2^27396894516 is an apocalyptic number.

It is an amenable number.

27396894516 is an abundant number, since it is smaller than the sum of its proper divisors (36529192716).

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

27396894516 is a wasteful number, since it uses less digits than its factorization.

27396894516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283074550 (or 2283074548 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 27396894516 in words is "twenty-seven billion, three hundred ninety-six million, eight hundred ninety-four thousand, five hundred sixteen".