27398745216 has 96 divisors (see below), whose sum is σ = 82270768320. Its totient is φ = 8735823360.

The previous prime is 27398745197. The next prime is 27398745233. The reversal of 27398745216 is 61254789372.

It is a happy number.

27398745216 is a `hidden beast` number, since 2 + 7 + 39 + 87 + 4 + 521 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×27398745216² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490540 + ... + 543531.

It is an arithmetic number, because the mean of its divisors is an integer number (856987170).

Almost surely, 2^27398745216 is an apocalyptic number.

It is an amenable number.

27398745216 is an abundant number, since it is smaller than the sum of its proper divisors (54872023104).

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

27398745216 is a wasteful number, since it uses less digits than its factorization.

27398745216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034114 (or 1034099 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 27398745216 in words is "twenty-seven billion, three hundred ninety-eight million, seven hundred forty-five thousand, two hundred sixteen".