28076838067 has 4 divisors (see below), whose sum is σ = 28098420336. Its totient is φ = 28055255800.

The previous prime is 28076838037. The next prime is 28076838071. The reversal of 28076838067 is 76083867082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76083867082 = 2 ⋅38041933541.

It is a cyclic number.

It is not a de Polignac number, because 28076838067 - 2⁷ = 28076837939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28076837999 and 28076838017.

It is not an unprimeable number, because it can be changed into a prime (28076838037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10789183 + ... + 10791784.

It is an arithmetic number, because the mean of its divisors is an integer number (7024605084).

Almost surely, 2^28076838067 is an apocalyptic number.

28076838067 is a deficient number, since it is larger than the sum of its proper divisors (21582269).

28076838067 is a wasteful number, since it uses less digits than its factorization.

28076838067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21582268.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 28076838067 in words is "twenty-eight billion, seventy-six million, eight hundred thirty-eight thousand, sixty-seven".