9628489277 has 24 divisors (see below), whose sum is σ = 10815677280. Its totient is φ = 8497736000.

The previous prime is 9628489271. The next prime is 9628489289. The reversal of 9628489277 is 7729848269.

It is not a de Polignac number, because 9628489277 - 2¹⁰ = 9628488253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9628489271) 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, 5946374 + ... + 5947992.

It is an arithmetic number, because the mean of its divisors is an integer number (450653220).

Almost surely, 2^9628489277 is an apocalyptic number.

It is an amenable number.

9628489277 is a deficient number, since it is larger than the sum of its proper divisors (1187188003).

9628489277 is a wasteful number, since it uses less digits than its factorization.

9628489277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1784 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 62.

The square root of 9628489277 is about 98124.8657425833. The cubic root of 9628489277 is about 2127.4174491893.

The spelling of 9628489277 in words is "nine billion, six hundred twenty-eight million, four hundred eighty-nine thousand, two hundred seventy-seven".