470985847 has 2 divisors, whose sum is σ = 470985848. Its totient is φ = 470985846.

The previous prime is 470985803. The next prime is 470985857. The reversal of 470985847 is 748589074.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470985847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 470985794 and 470985803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470985857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235492923 + 235492924.

It is an arithmetic number, because the mean of its divisors is an integer number (235492924).

Almost surely, 2^470985847 is an apocalyptic number.

470985847 is a deficient number, since it is larger than the sum of its proper divisors (1).

470985847 is an equidigital number, since it uses as much as digits as its factorization.

470985847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 470985847 is about 21702.2083438529. The cubic root of 470985847 is about 778.0412429151.

The spelling of 470985847 in words is "four hundred seventy million, nine hundred eighty-five thousand, eight hundred forty-seven".