27728617367 has 12 divisors (see below), whose sum is σ = 31302312888. Its totient is φ = 24526537200.

The previous prime is 27728617333. The next prime is 27728617369. The reversal of 27728617367 is 76371682772.

It is not a de Polignac number, because 27728617367 - 2¹⁴ = 27728600983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728617369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3092309 + ... + 3101262.

It is an arithmetic number, because the mean of its divisors is an integer number (2608526074).

Almost surely, 2^27728617367 is an apocalyptic number.

27728617367 is a deficient number, since it is larger than the sum of its proper divisors (3573695521).

27728617367 is a wasteful number, since it uses less digits than its factorization.

27728617367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193630 (or 6193619 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 56.

The spelling of 27728617367 in words is "twenty-seven billion, seven hundred twenty-eight million, six hundred seventeen thousand, three hundred sixty-seven".