850231147 has 2 divisors, whose sum is σ = 850231148. Its totient is φ = 850231146.

The previous prime is 850231127. The next prime is 850231153. The reversal of 850231147 is 741132058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850231147 - 2¹¹ = 850229099 is a prime.

It is not a weakly prime, because it can be changed into another prime (850231127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425115573 + 425115574.

It is an arithmetic number, because the mean of its divisors is an integer number (425115574).

Almost surely, 2^850231147 is an apocalyptic number.

850231147 is a deficient number, since it is larger than the sum of its proper divisors (1).

850231147 is an equidigital number, since it uses as much as digits as its factorization.

850231147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 850231147 is about 29158.7233431095. The cubic root of 850231147 is about 947.3540953689.

The spelling of 850231147 in words is "eight hundred fifty million, two hundred thirty-one thousand, one hundred forty-seven".