27985888395 has 96 divisors (see below), whose sum is σ = 50860992000. Its totient is φ = 14762145024.

The previous prime is 27985888339. The next prime is 27985888417. The reversal of 27985888395 is 59388858972.

27985888395 is a `hidden beast` number, since 2 + 7 + 9 + 8 + 588 + 8 + 39 + 5 = 666.

It is not a de Polignac number, because 27985888395 - 2¹² = 27985884299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68424951 + ... + 68425359.

It is an arithmetic number, because the mean of its divisors is an integer number (529802000).

Almost surely, 2^27985888395 is an apocalyptic number.

27985888395 is a deficient number, since it is larger than the sum of its proper divisors (22875103605).

27985888395 is a wasteful number, since it uses less digits than its factorization.

27985888395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 899 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 72.

The spelling of 27985888395 in words is "twenty-seven billion, nine hundred eighty-five million, eight hundred eighty-eight thousand, three hundred ninety-five".