7768895872 has 16 divisors (see below), whose sum is σ = 15477097500. Its totient is φ = 3884447872.

The previous prime is 7768895857. The next prime is 7768895891. The reversal of 7768895872 is 2785988677.

It is a tau number, because it is divible by the number of its divisors (16).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 7768895798 and 7768895807.

It is a congruent 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 as a sum of consecutive naturals, namely, 30347122 + ... + 30347377.

Almost surely, 2^7768895872 is an apocalyptic number.

It is an amenable number.

7768895872 is a deficient number, since it is larger than the sum of its proper divisors (7708201628).

7768895872 is an equidigital number, since it uses as much as digits as its factorization.

7768895872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60694513 (or 60694501 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 67.

The square root of 7768895872 is about 88141.3403120238. The cubic root of 7768895872 is about 1980.5528395384.

The spelling of 7768895872 in words is "seven billion, seven hundred sixty-eight million, eight hundred ninety-five thousand, eight hundred seventy-two".