844934899 has 2 divisors, whose sum is σ = 844934900. Its totient is φ = 844934898.

The previous prime is 844934887. The next prime is 844934927. The reversal of 844934899 is 998439448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844934899 - 2¹⁵ = 844902131 is a prime.

It is not a weakly prime, because it can be changed into another prime (844934819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422467449 + 422467450.

It is an arithmetic number, because the mean of its divisors is an integer number (422467450).

Almost surely, 2^844934899 is an apocalyptic number.

844934899 is a deficient number, since it is larger than the sum of its proper divisors (1).

844934899 is an equidigital number, since it uses as much as digits as its factorization.

844934899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 58.

The square root of 844934899 is about 29067.7639146873. The cubic root of 844934899 is about 945.3829150975.

The spelling of 844934899 in words is "eight hundred forty-four million, nine hundred thirty-four thousand, eight hundred ninety-nine".