90800011 has 2 divisors, whose sum is σ = 90800012. Its totient is φ = 90800010.

The previous prime is 90799999. The next prime is 90800027. The reversal of 90800011 is 11000809.

It is a weak prime.

It is an emirp because it is prime and its reverse (11000809) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90800011 - 2⁵ = 90799979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90800081) 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 as a sum of consecutive naturals, namely, 45400005 + 45400006.

It is an arithmetic number, because the mean of its divisors is an integer number (45400006).

Almost surely, 2^90800011 is an apocalyptic number.

90800011 is a deficient number, since it is larger than the sum of its proper divisors (1).

90800011 is an equidigital number, since it uses as much as digits as its factorization.

90800011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 90800011 is about 9528.9039768485. The cubic root of 90800011 is about 449.4644014565.

The spelling of 90800011 in words is "ninety million, eight hundred thousand, eleven".