850572071 has 2 divisors, whose sum is σ = 850572072. Its totient is φ = 850572070.

The previous prime is 850572061. The next prime is 850572077. The reversal of 850572071 is 170275058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850572071 - 2⁶ = 850572007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850572077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425286035 + 425286036.

It is an arithmetic number, because the mean of its divisors is an integer number (425286036).

Almost surely, 2^850572071 is an apocalyptic number.

850572071 is a deficient number, since it is larger than the sum of its proper divisors (1).

850572071 is an equidigital number, since it uses as much as digits as its factorization.

850572071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 850572071 is about 29164.5687607412. The cubic root of 850572071 is about 947.4807011708.

The spelling of 850572071 in words is "eight hundred fifty million, five hundred seventy-two thousand, seventy-one".