9777792224 has 24 divisors (see below), whose sum is σ = 19440629208. Its totient is φ = 4840489600.

The previous prime is 9777792209. The next prime is 9777792229. The reversal of 9777792224 is 4222977779.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9777792224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9777792229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509422 + ... + 1515885.

It is an arithmetic number, because the mean of its divisors is an integer number (810026217).

Almost surely, 2^9777792224 is an apocalyptic number.

It is an amenable number.

9777792224 is a deficient number, since it is larger than the sum of its proper divisors (9662836984).

9777792224 is a wasteful number, since it uses less digits than its factorization.

9777792224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025418 (or 3025410 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 56.

The square root of 9777792224 is about 98882.7195418896. The cubic root of 9777792224 is about 2138.3572731047.

The spelling of 9777792224 in words is "nine billion, seven hundred seventy-seven million, seven hundred ninety-two thousand, two hundred twenty-four".