850521827 has 2 divisors, whose sum is σ = 850521828. Its totient is φ = 850521826.

The previous prime is 850521767. The next prime is 850521863. The reversal of 850521827 is 728125058.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850521827 - 2⁸ = 850521571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850526827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425260913 + 425260914.

It is an arithmetic number, because the mean of its divisors is an integer number (425260914).

Almost surely, 2^850521827 is an apocalyptic number.

850521827 is a deficient number, since it is larger than the sum of its proper divisors (1).

850521827 is an equidigital number, since it uses as much as digits as its factorization.

850521827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 850521827 is about 29163.7073603477. The cubic root of 850521827 is about 947.4620446456.

The spelling of 850521827 in words is "eight hundred fifty million, five hundred twenty-one thousand, eight hundred twenty-seven".