27303545047 has 4 divisors (see below), whose sum is σ = 27304757136. Its totient is φ = 27302332960.

The previous prime is 27303545033. The next prime is 27303545057. The reversal of 27303545047 is 74054530372.

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

It is a cyclic number.

It is not a de Polignac number, because 27303545047 - 2¹⁵ = 27303512279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27303545057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571603 + ... + 617524.

It is an arithmetic number, because the mean of its divisors is an integer number (6826189284).

Almost surely, 2^27303545047 is an apocalyptic number.

27303545047 is a deficient number, since it is larger than the sum of its proper divisors (1212089).

27303545047 is a wasteful number, since it uses less digits than its factorization.

27303545047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212088.

The product of its (nonzero) digits is 352800, while the sum is 40.

The spelling of 27303545047 in words is "twenty-seven billion, three hundred three million, five hundred forty-five thousand, forty-seven".