9955277856 has 72 divisors (see below), whose sum is σ = 28514107440. Its totient is φ = 3294539136.

The previous prime is 9955277777. The next prime is 9955277873. The reversal of 9955277856 is 6587725599.

9955277856 is a `hidden beast` number, since 9 + 9 + 552 + 7 + 78 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 9955277793 and 9955277802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84310 + ... + 164373.

It is an arithmetic number, because the mean of its divisors is an integer number (396029270).

Almost surely, 2^9955277856 is an apocalyptic number.

9955277856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9955277856 is an abundant number, since it is smaller than the sum of its proper divisors (18558829584).

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

9955277856 is a wasteful number, since it uses less digits than its factorization.

9955277856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248838 (or 248827 counting only the distinct ones).

The product of its digits is 47628000, while the sum is 63.

The square root of 9955277856 is about 99776.1387106156. The cubic root of 9955277856 is about 2151.2181923519.

The spelling of 9955277856 in words is "nine billion, nine hundred fifty-five million, two hundred seventy-seven thousand, eight hundred fifty-six".