9679512906 has 128 divisors (see below), whose sum is σ = 24837120000. Its totient is φ = 2737167552.

The previous prime is 9679512883. The next prime is 9679512937. The reversal of 9679512906 is 6092159769.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27734820 + ... + 27735168.

It is an arithmetic number, because the mean of its divisors is an integer number (194040000).

Almost surely, 2^9679512906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9679512906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12418560000).

9679512906 is an abundant number, since it is smaller than the sum of its proper divisors (15157607094).

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

9679512906 is a wasteful number, since it uses less digits than its factorization.

9679512906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 9679512906 is about 98384.5155804510. The cubic root of 9679512906 is about 2131.1687257948.

The spelling of 9679512906 in words is "nine billion, six hundred seventy-nine million, five hundred twelve thousand, nine hundred six".