9858455487 has 10 divisors (see below), whose sum is σ = 14726828688. Its totient is φ = 6572303604.

The previous prime is 9858455471. The next prime is 9858455521. The reversal of 9858455487 is 7845548589.

9858455487 is a `hidden beast` number, since 9 + 8 + 5 + 84 + 5 + 548 + 7 = 666.

It is not a de Polignac number, because 9858455487 - 2⁴ = 9858455471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9858455407) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60854583 + ... + 60854744.

Almost surely, 2^9858455487 is an apocalyptic number.

9858455487 is a deficient number, since it is larger than the sum of its proper divisors (4868373201).

9858455487 is a wasteful number, since it uses less digits than its factorization.

9858455487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121709339 (or 121709330 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 63.

The square root of 9858455487 is about 99289.7551965962. The cubic root of 9858455487 is about 2144.2214025850.

The spelling of 9858455487 in words is "nine billion, eight hundred fifty-eight million, four hundred fifty-five thousand, four hundred eighty-seven".