9886820256 has 48 divisors (see below), whose sum is σ = 28836561600. Its totient is φ = 3295606464.

The previous prime is 9886820213. The next prime is 9886820261. The reversal of 9886820256 is 6520286889.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 5720676 + ... + 5722403.

It is an arithmetic number, because the mean of its divisors is an integer number (600761700).

Almost surely, 2^9886820256 is an apocalyptic number.

9886820256 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9886820256 is an abundant number, since it is smaller than the sum of its proper divisors (18949741344).

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

9886820256 is a wasteful number, since it uses less digits than its factorization.

9886820256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11443098 (or 11443084 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 9886820256 is about 99432.4909473759. The cubic root of 9886820256 is about 2146.2758862412.

The spelling of 9886820256 in words is "nine billion, eight hundred eighty-six million, eight hundred twenty thousand, two hundred fifty-six".