9854635672 has 32 divisors (see below), whose sum is σ = 21129292800. Its totient is φ = 4220972064.

The previous prime is 9854635669. The next prime is 9854635691. The reversal of 9854635672 is 2765364589.

It is a super-2 number, since 2×9854635672² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48483 + ... + 148525.

It is an arithmetic number, because the mean of its divisors is an integer number (660290400).

Almost surely, 2^9854635672 is an apocalyptic number.

It is an amenable number.

9854635672 is an abundant number, since it is smaller than the sum of its proper divisors (11274657128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9854635672 is a wasteful number, since it uses less digits than its factorization.

9854635672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101815 (or 101811 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The square root of 9854635672 is about 99270.5176374134. The cubic root of 9854635672 is about 2143.9444292746.

The spelling of 9854635672 in words is "nine billion, eight hundred fifty-four million, six hundred thirty-five thousand, six hundred seventy-two".