7648788878468 has 12 divisors (see below), whose sum is σ = 13385487747072. Its totient is φ = 3824363807880.

The previous prime is 7648788878453. The next prime is 7648788878527. The reversal of 7648788878468 is 8648788878467.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7091348 + ... + 8098443.

It is an arithmetic number, because the mean of its divisors is an integer number (1115457312256).

Almost surely, 2^{7648788878468} is an apocalyptic number.

It is an amenable number.

7648788878468 is a deficient number, since it is larger than the sum of its proper divisors (5736698868604).

7648788878468 is a wasteful number, since it uses less digits than its factorization.

7648788878468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15315682 (or 15315680 counting only the distinct ones).

The product of its digits is 51791265792, while the sum is 89.

Subtracting 7648788878468 from its reverse (8648788878467), we obtain a palindrome (999999999999).

The spelling of 7648788878468 in words is "seven trillion, six hundred forty-eight billion, seven hundred eighty-eight million, eight hundred seventy-eight thousand, four hundred sixty-eight".