9629628784 has 20 divisors (see below), whose sum is σ = 19754900784. Its totient is φ = 4531589888.

The previous prime is 9629628781. The next prime is 9629628791. The reversal of 9629628784 is 4878269269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9629628781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17701252 + ... + 17701795.

Almost surely, 2^9629628784 is an apocalyptic number.

It is an amenable number.

9629628784 is an abundant number, since it is smaller than the sum of its proper divisors (10125272000).

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

9629628784 is a wasteful number, since it uses less digits than its factorization.

9629628784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35403072 (or 35403066 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The square root of 9629628784 is about 98130.6719838400. The cubic root of 9629628784 is about 2127.5013706775.

The spelling of 9629628784 in words is "nine billion, six hundred twenty-nine million, six hundred twenty-eight thousand, seven hundred eighty-four".