850355801 has 2 divisors, whose sum is σ = 850355802. Its totient is φ = 850355800.

The previous prime is 850355791. The next prime is 850355813. The reversal of 850355801 is 108553058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516380176 + 333975625 = 22724^2 + 18275^2 .

It is a cyclic number.

It is not a de Polignac number, because 850355801 - 2¹⁰ = 850354777 is a prime.

It is not a weakly prime, because it can be changed into another prime (850355101) 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, 425177900 + 425177901.

It is an arithmetic number, because the mean of its divisors is an integer number (425177901).

Almost surely, 2^850355801 is an apocalyptic number.

It is an amenable number.

850355801 is a deficient number, since it is larger than the sum of its proper divisors (1).

850355801 is an equidigital number, since it uses as much as digits as its factorization.

850355801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 850355801 is about 29160.8607726178. The cubic root of 850355801 is about 947.4003908996.

The spelling of 850355801 in words is "eight hundred fifty million, three hundred fifty-five thousand, eight hundred one".