7772105388 has 24 divisors (see below), whose sum is σ = 18153616320. Its totient is φ = 2588029840.

The previous prime is 7772105377. The next prime is 7772105389. The reversal of 7772105388 is 8835012777.

It is not an unprimeable number, because it can be changed into a prime (7772105389) by changing a digit.

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, 321858 + ... + 345161.

It is an arithmetic number, because the mean of its divisors is an integer number (756400680).

Almost surely, 2^7772105388 is an apocalyptic number.

It is an amenable number.

7772105388 is an abundant number, since it is smaller than the sum of its proper divisors (10381510932).

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

7772105388 is a wasteful number, since it uses less digits than its factorization.

7772105388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667997 (or 667995 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 48.

The square root of 7772105388 is about 88159.5450759587. The cubic root of 7772105388 is about 1980.8255398456.

The spelling of 7772105388 in words is "seven billion, seven hundred seventy-two million, one hundred five thousand, three hundred eighty-eight".