28876449011 has 2 divisors, whose sum is σ = 28876449012. Its totient is φ = 28876449010.

The previous prime is 28876448981. The next prime is 28876449023. The reversal of 28876449011 is 11094467882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28876449011 - 2³⁰ = 27802707187 is a prime.

It is not a weakly prime, because it can be changed into another prime (28876449211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14438224505 + 14438224506.

It is an arithmetic number, because the mean of its divisors is an integer number (14438224506).

Almost surely, 2^28876449011 is an apocalyptic number.

28876449011 is a deficient number, since it is larger than the sum of its proper divisors (1).

28876449011 is an equidigital number, since it uses as much as digits as its factorization.

28876449011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 28876449011 in words is "twenty-eight billion, eight hundred seventy-six million, four hundred forty-nine thousand, eleven".