850807 has 2 divisors, whose sum is σ = 850808. Its totient is φ = 850806.

The previous prime is 850781. The next prime is 850823. The reversal of 850807 is 708058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850807 - 2⁷ = 850679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425403 + 425404.

It is an arithmetic number, because the mean of its divisors is an integer number (425404).

2⁸⁵⁰⁸⁰⁷ is an apocalyptic number.

850807 is a deficient number, since it is larger than the sum of its proper divisors (1).

850807 is an equidigital number, since it uses as much as digits as its factorization.

850807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 850807 is about 922.3919990980. The cubic root of 850807 is about 94.7567924900.

The spelling of 850807 in words is "eight hundred fifty thousand, eight hundred seven".