27357275485 has 4 divisors (see below), whose sum is σ = 32828730588. Its totient is φ = 21885820384.

The previous prime is 27357275453. The next prime is 27357275489. The reversal of 27357275485 is 58457275372.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17429544441 + 9927731044 = 132021^2 + 99638^2 .

It is a cyclic number.

It is not a de Polignac number, because 27357275485 - 2⁵ = 27357275453 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 (27357275489) 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, 2735727544 + ... + 2735727553.

It is an arithmetic number, because the mean of its divisors is an integer number (8207182647).

Almost surely, 2^27357275485 is an apocalyptic number.

It is an amenable number.

27357275485 is a deficient number, since it is larger than the sum of its proper divisors (5471455103).

27357275485 is an equidigital number, since it uses as much as digits as its factorization.

27357275485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471455102.

The product of its digits is 16464000, while the sum is 55.

The spelling of 27357275485 in words is "twenty-seven billion, three hundred fifty-seven million, two hundred seventy-five thousand, four hundred eighty-five".