27408541607 has 4 divisors (see below), whose sum is σ = 27464363976. Its totient is φ = 27352719240.

The previous prime is 27408541603. The next prime is 27408541613. The reversal of 27408541607 is 70614580472.

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 27408541607 - 2² = 27408541603 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 (27408541603) 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, 27910448 + ... + 27911429.

It is an arithmetic number, because the mean of its divisors is an integer number (6866090994).

Almost surely, 2^27408541607 is an apocalyptic number.

27408541607 is a deficient number, since it is larger than the sum of its proper divisors (55822369).

27408541607 is an equidigital number, since it uses as much as digits as its factorization.

27408541607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55822368.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 27408541607 in words is "twenty-seven billion, four hundred eight million, five hundred forty-one thousand, six hundred seven".