27505520227 has 8 divisors (see below), whose sum is σ = 28243650960. Its totient is φ = 26770592640.

The previous prime is 27505520191. The next prime is 27505520269. The reversal of 27505520227 is 72202550572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27505520227 - 2⁷ = 27505520099 is a prime.

It is a super-2 number, since 2×27505520227² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27505520027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783378 + ... + 817735.

It is an arithmetic number, because the mean of its divisors is an integer number (3530456370).

Almost surely, 2^27505520227 is an apocalyptic number.

27505520227 is a deficient number, since it is larger than the sum of its proper divisors (738130733).

27505520227 is a wasteful number, since it uses less digits than its factorization.

27505520227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601573.

The product of its (nonzero) digits is 98000, while the sum is 37.

The spelling of 27505520227 in words is "twenty-seven billion, five hundred five million, five hundred twenty thousand, two hundred twenty-seven".