28862011 has 2 divisors, whose sum is σ = 28862012. Its totient is φ = 28862010.

The previous prime is 28862003. The next prime is 28862021. The reversal of 28862011 is 11026882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28862011 - 2³ = 28862003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28862021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14431005 + 14431006.

It is an arithmetic number, because the mean of its divisors is an integer number (14431006).

Almost surely, 2^28862011 is an apocalyptic number.

28862011 is a deficient number, since it is larger than the sum of its proper divisors (1).

28862011 is an equidigital number, since it uses as much as digits as its factorization.

28862011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 28862011 is about 5372.3375731612. The cubic root of 28862011 is about 306.7436134629.

Adding to 28862011 its reverse (11026882), we get a palindrome (39888893).

The spelling of 28862011 in words is "twenty-eight million, eight hundred sixty-two thousand, eleven".