27585745975 has 12 divisors (see below), whose sum is σ = 34208669880. Its totient is φ = 22067084000.

The previous prime is 27585745939. The next prime is 27585746029. The reversal of 27585745975 is 57954758572.

It is not a de Polignac number, because 27585745975 - 2⁹ = 27585745463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465525 + ... + 521425.

It is an arithmetic number, because the mean of its divisors is an integer number (2850722490).

Almost surely, 2^27585745975 is an apocalyptic number.

27585745975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27585745975 is a deficient number, since it is larger than the sum of its proper divisors (6622923905).

27585745975 is a wasteful number, since it uses less digits than its factorization.

27585745975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75650 (or 75645 counting only the distinct ones).

The product of its digits is 123480000, while the sum is 64.

The spelling of 27585745975 in words is "twenty-seven billion, five hundred eighty-five million, seven hundred forty-five thousand, nine hundred seventy-five".