7780242112 has 56 divisors (see below), whose sum is σ = 16083605120. Its totient is φ = 3729991680.

The previous prime is 7780242089. The next prime is 7780242157. The reversal of 7780242112 is 2112420877.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198268 + ... + 234244.

Almost surely, 2^7780242112 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 7780242112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8041802560).

7780242112 is an abundant number, since it is smaller than the sum of its proper divisors (8303363008).

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

7780242112 is a wasteful number, since it uses less digits than its factorization.

7780242112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36129 (or 36119 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 7780242112 is about 88205.6807240894. The cubic root of 7780242112 is about 1981.5165499239.

Adding to 7780242112 its reverse (2112420877), we get a palindrome (9892662989).

The spelling of 7780242112 in words is "seven billion, seven hundred eighty million, two hundred forty-two thousand, one hundred twelve".