9756408228 has 72 divisors (see below), whose sum is σ = 26539615872. Its totient is φ = 2781446976.

The previous prime is 9756408227. The next prime is 9756408247. The reversal of 9756408228 is 8228046579.

It is a super-2 number, since 2×9756408228² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9756408227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254326 + ... + 290162.

It is an arithmetic number, because the mean of its divisors is an integer number (368605776).

Almost surely, 2^9756408228 is an apocalyptic number.

9756408228 is a gapful number since it is divisible by the number (98) 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 9756408228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269807936).

9756408228 is an abundant number, since it is smaller than the sum of its proper divisors (16783207644).

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

9756408228 is a wasteful number, since it uses less digits than its factorization.

9756408228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36321 (or 36312 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 9756408228 is about 98774.5322843900. The cubic root of 9756408228 is about 2136.7972754577.

The spelling of 9756408228 in words is "nine billion, seven hundred fifty-six million, four hundred eight thousand, two hundred twenty-eight".