28768091314 has 4 divisors (see below), whose sum is σ = 43152136974. Its totient is φ = 14384045656.

The previous prime is 28768091293. The next prime is 28768091329. The reversal of 28768091314 is 41319086782.

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

It can be written as a sum of positive squares in only one way, i.e., 27384623289 + 1383468025 = 165483^2 + 37195^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7192022827 + ... + 7192022830.

Almost surely, 2^28768091314 is an apocalyptic number.

28768091314 is a deficient number, since it is larger than the sum of its proper divisors (14384045660).

28768091314 is a wasteful number, since it uses less digits than its factorization.

28768091314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384045659.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 28768091314 in words is "twenty-eight billion, seven hundred sixty-eight million, ninety-one thousand, three hundred fourteen".