9854535897 has 10 divisors (see below), whose sum is σ = 14720973498. Its totient is φ = 6569690544.

The previous prime is 9854535883. The next prime is 9854535913. The reversal of 9854535897 is 7985354589.

9854535897 is a `hidden beast` number, since 9 + 8 + 5 + 4 + 535 + 8 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9245976336 + 608559561 = 96156^2 + 24669^2 .

It is not a de Polignac number, because 9854535897 - 2⁴ = 9854535881 is a prime.

It is a super-2 number, since 2×9854535897² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9854535827) 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, 60830388 + ... + 60830549.

Almost surely, 2^9854535897 is an apocalyptic number.

It is an amenable number.

9854535897 is a deficient number, since it is larger than the sum of its proper divisors (4866437601).

9854535897 is a wasteful number, since it uses less digits than its factorization.

9854535897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121660949 (or 121660940 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 63.

The square root of 9854535897 is about 99270.0150951938. The cubic root of 9854535897 is about 2143.9371936688.

The spelling of 9854535897 in words is "nine billion, eight hundred fifty-four million, five hundred thirty-five thousand, eight hundred ninety-seven".