28076855017 has 4 divisors (see below), whose sum is σ = 28078331536. Its totient is φ = 28075378500.

The previous prime is 28076854997. The next prime is 28076855029. The reversal of 28076855017 is 71055867082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28076855017 - 2⁷ = 28076854889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28076855717) 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 in 3 ways as a sum of consecutive naturals, for example, 709359 + ... + 747892.

It is an arithmetic number, because the mean of its divisors is an integer number (7019582884).

Almost surely, 2^28076855017 is an apocalyptic number.

It is an amenable number.

28076855017 is a deficient number, since it is larger than the sum of its proper divisors (1476519).

28076855017 is a wasteful number, since it uses less digits than its factorization.

28076855017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476518.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 28076855017 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-five thousand, seventeen".