7768827980 has 48 divisors (see below), whose sum is σ = 17195613120. Its totient is φ = 2943752448.

The previous prime is 7768827953. The next prime is 7768827991. The reversal of 7768827980 is 897288677.

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 15 ways as a sum of consecutive naturals, for example, 95624 + ... + 157103.

It is an arithmetic number, because the mean of its divisors is an integer number (358241940).

Almost surely, 2^7768827980 is an apocalyptic number.

It is an amenable number.

7768827980 is an abundant number, since it is smaller than the sum of its proper divisors (9426785140).

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

7768827980 is a wasteful number, since it uses less digits than its factorization.

7768827980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252818 (or 252816 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 62.

The square root of 7768827980 is about 88140.9551797574. The cubic root of 7768827980 is about 1980.5470702036.

The spelling of 7768827980 in words is "seven billion, seven hundred sixty-eight million, eight hundred twenty-seven thousand, nine hundred eighty".