7688868815 has 8 divisors (see below), whose sum is σ = 9227113440. Its totient is φ = 6150781152.

The previous prime is 7688868739. The next prime is 7688868823. The reversal of 7688868815 is 5188688867.

7688868815 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7688868815 - 2²⁸ = 7420433359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169097 + ... + 209693.

It is an arithmetic number, because the mean of its divisors is an integer number (1153389180).

Almost surely, 2^7688868815 is an apocalyptic number.

7688868815 is a deficient number, since it is larger than the sum of its proper divisors (1538244625).

7688868815 is a wasteful number, since it uses less digits than its factorization.

7688868815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78481.

The product of its digits is 41287680, while the sum is 65.

The square root of 7688868815 is about 87686.1951221514. The cubic root of 7688868815 is about 1973.7288249045.

The spelling of 7688868815 in words is "seven billion, six hundred eighty-eight million, eight hundred sixty-eight thousand, eight hundred fifteen".