9678228769 has 8 divisors (see below), whose sum is σ = 10566198720. Its totient is φ = 8791614000.

The previous prime is 9678228761. The next prime is 9678228773.

9678228769 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9678228769 - 2³ = 9678228761 is a prime.

It is a super-2 number, since 2×9678228769² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9678228769.

It is not an unprimeable number, because it can be changed into a prime (9678228761) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 323829 + ... + 352450.

It is an arithmetic number, because the mean of its divisors is an integer number (1320774840).

Almost surely, 2^9678228769 is an apocalyptic number.

It is an amenable number.

9678228769 is a deficient number, since it is larger than the sum of its proper divisors (887969951).

9678228769 is a wasteful number, since it uses less digits than its factorization.

9678228769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677591.

The product of its digits is 36578304, while the sum is 64.

The square root of 9678228769 is about 98377.9892506449. The cubic root of 9678228769 is about 2131.0744774694.

The spelling of 9678228769 in words is "nine billion, six hundred seventy-eight million, two hundred twenty-eight thousand, seven hundred sixty-nine".