7768999886144 has 28 divisors (see below), whose sum is σ = 17618981885664. Its totient is φ = 3329571379584.

The previous prime is 7768999886129. The next prime is 7768999886147. The reversal of 7768999886144 is 4416889998677.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7768999886147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8670758354 + ... + 8670759249.

Almost surely, 2^{7768999886144} is an apocalyptic number.

It is an amenable number.

7768999886144 is an abundant number, since it is smaller than the sum of its proper divisors (9849981999520).

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

7768999886144 is a wasteful number, since it uses less digits than its factorization.

7768999886144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341517622 (or 17341517612 counting only the distinct ones).

The product of its digits is 10534551552, while the sum is 86.

The spelling of 7768999886144 in words is "seven trillion, seven hundred sixty-eight billion, nine hundred ninety-nine million, eight hundred eighty-six thousand, one hundred forty-four".