27485965785599 has 8 divisors (see below), whose sum is σ = 27521114612208. Its totient is φ = 27450818619840.

The previous prime is 27485965785547. The next prime is 27485965785601. The reversal of 27485965785599 is 99558756958472.

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 27485965785599 - 2²⁴ = 27485949008383 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 (27485965785799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34588259 + ... + 35373995.

It is an arithmetic number, because the mean of its divisors is an integer number (3440139326526).

Almost surely, 2^{27485965785599} is an apocalyptic number.

27485965785599 is a deficient number, since it is larger than the sum of its proper divisors (35148826609).

27485965785599 is an equidigital number, since it uses as much as digits as its factorization.

27485965785599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830425.

The product of its digits is 68584320000, while the sum is 89.

The spelling of 27485965785599 in words is "twenty-seven trillion, four hundred eighty-five billion, nine hundred sixty-five million, seven hundred eighty-five thousand, five hundred ninety-nine".