27500085755 has 4 divisors (see below), whose sum is σ = 33000102912. Its totient is φ = 22000068600.

The previous prime is 27500085737. The next prime is 27500085773. The reversal of 27500085755 is 55758000572.

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

It is an interprime number because it is at equal distance from previous prime (27500085737) and next prime (27500085773).

It is a de Polignac number, because none of the positive numbers 2^k-27500085755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750008571 + ... + 2750008580.

It is an arithmetic number, because the mean of its divisors is an integer number (8250025728).

Almost surely, 2^27500085755 is an apocalyptic number.

27500085755 is a deficient number, since it is larger than the sum of its proper divisors (5500017157).

27500085755 is an equidigital number, since it uses as much as digits as its factorization.

27500085755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500017156.

The product of its (nonzero) digits is 490000, while the sum is 44.

The spelling of 27500085755 in words is "twenty-seven billion, five hundred million, eighty-five thousand, seven hundred fifty-five".