9779127696 has 120 divisors (see below), whose sum is σ = 29521652160. Its totient is φ = 3004017408.

The previous prime is 9779127691. The next prime is 9779127731. The reversal of 9779127696 is 6967219779.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9779127691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1229685 + ... + 1237611.

It is an arithmetic number, because the mean of its divisors is an integer number (246013768).

Almost surely, 2^9779127696 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 9779127696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14760826080).

9779127696 is an abundant number, since it is smaller than the sum of its proper divisors (19742524464).

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

9779127696 is a wasteful number, since it uses less digits than its factorization.

9779127696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8613 (or 8604 counting only the distinct ones).

The product of its digits is 18003384, while the sum is 63.

The square root of 9779127696 is about 98889.4721191290. The cubic root of 9779127696 is about 2138.4546224925.

The spelling of 9779127696 in words is "nine billion, seven hundred seventy-nine million, one hundred twenty-seven thousand, six hundred ninety-six".