27655791485 has 8 divisors (see below), whose sum is σ = 37927942656. Its totient is φ = 18963971280.

The previous prime is 27655791479. The next prime is 27655791497. The reversal of 27655791485 is 58419755672.

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

It is a de Polignac number, because none of the positive numbers 2^k-27655791485 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, 395082701 + ... + 395082770.

It is an arithmetic number, because the mean of its divisors is an integer number (4740992832).

Almost surely, 2^27655791485 is an apocalyptic number.

It is an amenable number.

27655791485 is a deficient number, since it is larger than the sum of its proper divisors (10272151171).

27655791485 is an equidigital number, since it uses as much as digits as its factorization.

27655791485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790165483.

The product of its digits is 21168000, while the sum is 59.

The spelling of 27655791485 in words is "twenty-seven billion, six hundred fifty-five million, seven hundred ninety-one thousand, four hundred eighty-five".