850850801 has 2 divisors, whose sum is σ = 850850802. Its totient is φ = 850850800.

The previous prime is 850850747. The next prime is 850850809. The reversal of 850850801 is 108058058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492884401 + 357966400 = 22201^2 + 18920^2 .

It is a cyclic number.

It is not a de Polignac number, because 850850801 - 2²² = 846656497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850850809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425425400 + 425425401.

It is an arithmetic number, because the mean of its divisors is an integer number (425425401).

Almost surely, 2^850850801 is an apocalyptic number.

It is an amenable number.

850850801 is a deficient number, since it is larger than the sum of its proper divisors (1).

850850801 is an equidigital number, since it uses as much as digits as its factorization.

850850801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 850850801 is about 29169.3469416098. The cubic root of 850850801 is about 947.5841854268.

The spelling of 850850801 in words is "eight hundred fifty million, eight hundred fifty thousand, eight hundred one".