27728574214 has 16 divisors (see below), whose sum is σ = 45379008576. Its totient is φ = 12602514600.

The previous prime is 27728574197. The next prime is 27728574227. The reversal of 27728574214 is 41247582772.

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, 151609 + ... + 280075.

It is an arithmetic number, because the mean of its divisors is an integer number (2836188036).

Almost surely, 2^27728574214 is an apocalyptic number.

27728574214 is a deficient number, since it is larger than the sum of its proper divisors (17650434362).

27728574214 is a wasteful number, since it uses less digits than its factorization.

27728574214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138291.

The product of its digits is 1756160, while the sum is 49.

The spelling of 27728574214 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred seventy-four thousand, two hundred fourteen".