850416947 has 2 divisors, whose sum is σ = 850416948. Its totient is φ = 850416946.

The previous prime is 850416937. The next prime is 850416961. The reversal of 850416947 is 749614058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850416947 - 2⁶ = 850416883 is a prime.

It is a super-3 number, since 3×850416947³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 850416898 and 850416907.

It is not a weakly prime, because it can be changed into another prime (850416907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425208473 + 425208474.

It is an arithmetic number, because the mean of its divisors is an integer number (425208474).

Almost surely, 2^850416947 is an apocalyptic number.

850416947 is a deficient number, since it is larger than the sum of its proper divisors (1).

850416947 is an equidigital number, since it uses as much as digits as its factorization.

850416947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 850416947 is about 29161.9091796131. The cubic root of 850416947 is about 947.4230983968.

The spelling of 850416947 in words is "eight hundred fifty million, four hundred sixteen thousand, nine hundred forty-seven".