850994999 has 2 divisors, whose sum is σ = 850995000. Its totient is φ = 850994998.

The previous prime is 850994941. The next prime is 850995007. The reversal of 850994999 is 999499058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850994999 - 2¹⁶ = 850929463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850994929) 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, 425497499 + 425497500.

It is an arithmetic number, because the mean of its divisors is an integer number (425497500).

Almost surely, 2^850994999 is an apocalyptic number.

850994999 is a deficient number, since it is larger than the sum of its proper divisors (1).

850994999 is an equidigital number, since it uses as much as digits as its factorization.

850994999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9447840, while the sum is 62.

The square root of 850994999 is about 29171.8185754677. The cubic root of 850994999 is about 947.6377130354.

The spelling of 850994999 in words is "eight hundred fifty million, nine hundred ninety-four thousand, nine hundred ninety-nine".