9699470872 has 128 divisors (see below), whose sum is σ = 22817692800. Its totient is φ = 3763335168.

The previous prime is 9699470863. The next prime is 9699470881. The reversal of 9699470872 is 2780749969.

It is an interprime number because it is at equal distance from previous prime (9699470863) and next prime (9699470881).

It is a self number, because there is not a number n which added to its sum of digits gives 9699470872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12169578 + ... + 12170374.

It is an arithmetic number, because the mean of its divisors is an integer number (178263225).

Almost surely, 2^9699470872 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 9699470872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11408846400).

9699470872 is an abundant number, since it is smaller than the sum of its proper divisors (13118221928).

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

9699470872 is a wasteful number, since it uses less digits than its factorization.

9699470872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 61.

The square root of 9699470872 is about 98485.8917408986. The cubic root of 9699470872 is about 2132.6324562418.

The spelling of 9699470872 in words is "nine billion, six hundred ninety-nine million, four hundred seventy thousand, eight hundred seventy-two".