80100899 has 2 divisors, whose sum is σ = 80100900. Its totient is φ = 80100898.

The previous prime is 80100863. The next prime is 80100913. The reversal of 80100899 is 99800108.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80100899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80100829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40050449 + 40050450.

It is an arithmetic number, because the mean of its divisors is an integer number (40050450).

Almost surely, 2^80100899 is an apocalyptic number.

80100899 is a deficient number, since it is larger than the sum of its proper divisors (1).

80100899 is an equidigital number, since it uses as much as digits as its factorization.

80100899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 80100899 is about 8949.9105582123. The cubic root of 80100899 is about 431.0680121567.

The spelling of 80100899 in words is "eighty million, one hundred thousand, eight hundred ninety-nine".