9933872308855 has 24 divisors (see below), whose sum is σ = 13554682444800. Its totient is φ = 6975509069760.

The previous prime is 9933872308849. The next prime is 9933872308891. The reversal of 9933872308855 is 5588032783399.

It is not a de Polignac number, because 9933872308855 - 2²⁷ = 9933738091127 is a prime.

It is a super-2 number, since 2×9933872308855² (a number of 27 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 23 ways as a sum of consecutive naturals, for example, 283079415 + ... + 283114504.

It is an arithmetic number, because the mean of its divisors is an integer number (564778435200).

Almost surely, 2^{9933872308855} is an apocalyptic number.

9933872308855 is a deficient number, since it is larger than the sum of its proper divisors (3620810135945).

9933872308855 is a wasteful number, since it uses less digits than its factorization.

9933872308855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566193975 (or 566193964 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 70.

The spelling of 9933872308855 in words is "nine trillion, nine hundred thirty-three billion, eight hundred seventy-two million, three hundred eight thousand, eight hundred fifty-five".