9886427136 has 240 divisors, whose sum is σ = 30044834820. Its totient is φ = 3238133760.

The previous prime is 9886427119. The next prime is 9886427143. The reversal of 9886427136 is 6317246889.

9886427136 is a `hidden beast` number, since 9 + 8 + 86 + 427 + 136 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9872409600 + 14017536 = 99360^2 + 3744^2 .

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 19 ways as a sum of consecutive naturals, for example, 10118680 + ... + 10119656.

Almost surely, 2^9886427136 is an apocalyptic number.

9886427136 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9886427136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15022417410).

9886427136 is an abundant number, since it is smaller than the sum of its proper divisors (20158407684).

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

9886427136 is an equidigital number, since it uses as much as digits as its factorization.

9886427136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1043 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 9886427136 is about 99430.5141091003. The cubic root of 9886427136 is about 2146.2474391052.

The spelling of 9886427136 in words is "nine billion, eight hundred eighty-six million, four hundred twenty-seven thousand, one hundred thirty-six".