8628779952 has 120 divisors (see below), whose sum is σ = 26372874528. Its totient is φ = 2617574400.

The previous prime is 8628779917. The next prime is 8628779963. The reversal of 8628779952 is 2599778268.

It is a self number, because there is not a number n which added to its sum of digits gives 8628779952.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 100452 + ... + 165372.

Almost surely, 2^8628779952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8628779952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13186437264).

8628779952 is an abundant number, since it is smaller than the sum of its proper divisors (17744094576).

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

8628779952 is a wasteful number, since it uses less digits than its factorization.

8628779952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65019 (or 65010 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 8628779952 is about 92891.2264533094. The cubic root of 8628779952 is about 2051.0825099338.

The spelling of 8628779952 in words is "eight billion, six hundred twenty-eight million, seven hundred seventy-nine thousand, nine hundred fifty-two".