470985857 has 2 divisors, whose sum is σ = 470985858. Its totient is φ = 470985856.

The previous prime is 470985847. The next prime is 470985869. The reversal of 470985857 is 758589074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264517696 + 206468161 = 16264^2 + 14369^2 .

It is a cyclic number.

It is not a de Polignac number, because 470985857 - 2¹² = 470981761 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 470985799 and 470985808.

It is not a weakly prime, because it can be changed into another prime (470985847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235492928 + 235492929.

It is an arithmetic number, because the mean of its divisors is an integer number (235492929).

Almost surely, 2^470985857 is an apocalyptic number.

It is an amenable number.

470985857 is a deficient number, since it is larger than the sum of its proper divisors (1).

470985857 is an equidigital number, since it uses as much as digits as its factorization.

470985857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 470985857 is about 21702.2085742442. The cubic root of 470985857 is about 778.0412484216.

The spelling of 470985857 in words is "four hundred seventy million, nine hundred eighty-five thousand, eight hundred fifty-seven".