27705306536 has 16 divisors (see below), whose sum is σ = 51978599700. Its totient is φ = 13844346624.

The previous prime is 27705306481. The next prime is 27705306539. The reversal of 27705306536 is 63560350772.

It can be written as a sum of positive squares in 2 ways, for example, as 27161017636 + 544288900 = 164806^2 + 23330^2 .

It is not an unprimeable number, because it can be changed into a prime (27705306539) 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, 1024145 + ... + 1050848.

Almost surely, 2^27705306536 is an apocalyptic number.

It is an amenable number.

27705306536 is a deficient number, since it is larger than the sum of its proper divisors (24273293164).

27705306536 is a wasteful number, since it uses less digits than its factorization.

27705306536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076668 (or 2076664 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 44.

The spelling of 27705306536 in words is "twenty-seven billion, seven hundred five million, three hundred six thousand, five hundred thirty-six".