9775759228 has 12 divisors (see below), whose sum is σ = 17388031192. Its totient is φ = 4807750320.

The previous prime is 9775759223. The next prime is 9775759241. The reversal of 9775759228 is 8229575779.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9775759223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20032050 + ... + 20032537.

Almost surely, 2^9775759228 is an apocalyptic number.

It is an amenable number.

9775759228 is a deficient number, since it is larger than the sum of its proper divisors (7612271964).

9775759228 is a wasteful number, since it uses less digits than its factorization.

9775759228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064652 (or 40064650 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 61.

The square root of 9775759228 is about 98872.4391729060. The cubic root of 9775759228 is about 2138.2090606040.

The spelling of 9775759228 in words is "nine billion, seven hundred seventy-five million, seven hundred fifty-nine thousand, two hundred twenty-eight".