850053871 has 2 divisors, whose sum is σ = 850053872. Its totient is φ = 850053870.

The previous prime is 850053823. The next prime is 850053877. The reversal of 850053871 is 178350058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850053871 - 2⁹ = 850053359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 850053871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850053877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425026935 + 425026936.

It is an arithmetic number, because the mean of its divisors is an integer number (425026936).

Almost surely, 2^850053871 is an apocalyptic number.

850053871 is a deficient number, since it is larger than the sum of its proper divisors (1).

850053871 is an equidigital number, since it uses as much as digits as its factorization.

850053871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 850053871 is about 29155.6833396167. The cubic root of 850053871 is about 947.2882486405.

The spelling of 850053871 in words is "eight hundred fifty million, fifty-three thousand, eight hundred seventy-one".