27728762246 has 4 divisors (see below), whose sum is σ = 41593143372. Its totient is φ = 13864381122.

The previous prime is 27728762227. The next prime is 27728762249. The reversal of 27728762246 is 64226782772.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728762249) by changing a digit.

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 as a sum of consecutive naturals, namely, 6932190560 + ... + 6932190563.

It is an arithmetic number, because the mean of its divisors is an integer number (10398285843).

Almost surely, 2^27728762246 is an apocalyptic number.

27728762246 is a deficient number, since it is larger than the sum of its proper divisors (13864381126).

27728762246 is a wasteful number, since it uses less digits than its factorization.

27728762246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864381125.

The product of its digits is 6322176, while the sum is 53.

The spelling of 27728762246 in words is "twenty-seven billion, seven hundred twenty-eight million, seven hundred sixty-two thousand, two hundred forty-six".