27827281085 has 8 divisors (see below), whose sum is σ = 33395594976. Its totient is φ = 22259919760.

The previous prime is 27827281073. The next prime is 27827281091. The reversal of 27827281085 is 58018272872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27827281085 - 2⁸ = 27827280829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172211 + ... + 292080.

It is an arithmetic number, because the mean of its divisors is an integer number (4174449372).

Almost surely, 2^27827281085 is an apocalyptic number.

It is an amenable number.

27827281085 is a deficient number, since it is larger than the sum of its proper divisors (5568313891).

27827281085 is a wasteful number, since it uses less digits than its factorization.

27827281085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476283.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The spelling of 27827281085 in words is "twenty-seven billion, eight hundred twenty-seven million, two hundred eighty-one thousand, eighty-five".