9164778696 has 80 divisors (see below), whose sum is σ = 25703913840. Its totient is φ = 3050874720.

The previous prime is 9164778673. The next prime is 9164778769. The reversal of 9164778696 is 6968774619.

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 19 ways as a sum of consecutive naturals, for example, 500991 + ... + 518961.

It is an arithmetic number, because the mean of its divisors is an integer number (321298923).

Almost surely, 2^9164778696 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 9164778696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12851956920).

9164778696 is an abundant number, since it is smaller than the sum of its proper divisors (16539135144).

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

9164778696 is a wasteful number, since it uses less digits than its factorization.

9164778696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18776 (or 18763 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 9164778696 is about 95732.8506626644. The cubic root of 9164778696 is about 2092.7017017577.

The spelling of 9164778696 in words is "nine billion, one hundred sixty-four million, seven hundred seventy-eight thousand, six hundred ninety-six".