7776796144 has 40 divisors (see below), whose sum is σ = 16294582080. Its totient is φ = 3574249728.

The previous prime is 7776796127. The next prime is 7776796151. The reversal of 7776796144 is 4416976777.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28507 + ... + 127930.

It is an arithmetic number, because the mean of its divisors is an integer number (407364552).

Almost surely, 2^7776796144 is an apocalyptic number.

It is an amenable number.

7776796144 is an abundant number, since it is smaller than the sum of its proper divisors (8517785936).

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

7776796144 is a wasteful number, since it uses less digits than its factorization.

7776796144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156697 (or 156691 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 58.

The square root of 7776796144 is about 88186.1448528055. The cubic root of 7776796144 is about 1981.2239604442.

The spelling of 7776796144 in words is "seven billion, seven hundred seventy-six million, seven hundred ninety-six thousand, one hundred forty-four".