27135035047 has 4 divisors (see below), whose sum is σ = 27135507640. Its totient is φ = 27134562456.

The previous prime is 27135035009. The next prime is 27135035051. The reversal of 27135035047 is 74053053172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27135035047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27135034997 and 27135035015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27135035077) 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, 135972 + ... + 269737.

It is an arithmetic number, because the mean of its divisors is an integer number (6783876910).

Almost surely, 2^27135035047 is an apocalyptic number.

27135035047 is a deficient number, since it is larger than the sum of its proper divisors (472593).

27135035047 is an equidigital number, since it uses as much as digits as its factorization.

27135035047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472592.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 27135035047 in words is "twenty-seven billion, one hundred thirty-five million, thirty-five thousand, forty-seven".