850080001 has 2 divisors, whose sum is σ = 850080002. Its totient is φ = 850080000.

The previous prime is 850079999. The next prime is 850080017. The reversal of 850080001 is 100080058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 572357776 + 277722225 = 23924^2 + 16665^2 .

It is a cyclic number.

It is not a de Polignac number, because 850080001 - 2¹ = 850079999 is a prime.

Together with 850079999, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850080031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425040000 + 425040001.

It is an arithmetic number, because the mean of its divisors is an integer number (425040001).

Almost surely, 2^850080001 is an apocalyptic number.

It is an amenable number.

850080001 is a deficient number, since it is larger than the sum of its proper divisors (1).

850080001 is an equidigital number, since it uses as much as digits as its factorization.

850080001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 850080001 is about 29156.1314477761. The cubic root of 850080001 is about 947.2979548443.

The spelling of 850080001 in words is "eight hundred fifty million, eighty thousand, one".