9858404485 has 4 divisors (see below), whose sum is σ = 11830085388. Its totient is φ = 7886723584.

The previous prime is 9858404477. The next prime is 9858404513. The reversal of 9858404485 is 5844048589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5844048589 = 59 ⋅99051671.

It can be written as a sum of positive squares in 2 ways, for example, as 1022592484 + 8835812001 = 31978^2 + 93999^2 .

It is a cyclic number.

It is not a de Polignac number, because 9858404485 - 2³ = 9858404477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985840444 + ... + 985840453.

It is an arithmetic number, because the mean of its divisors is an integer number (2957521347).

Almost surely, 2^9858404485 is an apocalyptic number.

It is an amenable number.

9858404485 is a deficient number, since it is larger than the sum of its proper divisors (1971680903).

9858404485 is a wasteful number, since it uses less digits than its factorization.

9858404485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971680902.

The product of its (nonzero) digits is 7372800, while the sum is 55.

The square root of 9858404485 is about 99289.4983621128. The cubic root of 9858404485 is about 2144.2177049209.

The spelling of 9858404485 in words is "nine billion, eight hundred fifty-eight million, four hundred four thousand, four hundred eighty-five".