7688123904 has 40 divisors (see below), whose sum is σ = 20481646680. Its totient is φ = 2562707456.

The previous prime is 7688123899. The next prime is 7688123953. The reversal of 7688123904 is 4093218867.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 2501109 + ... + 2504180.

It is an arithmetic number, because the mean of its divisors is an integer number (512041167).

Almost surely, 2^7688123904 is an apocalyptic number.

It is an amenable number.

7688123904 is an abundant number, since it is smaller than the sum of its proper divisors (12793522776).

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

7688123904 is an equidigital number, since it uses as much as digits as its factorization.

7688123904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005310 (or 5005294 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 7688123904 is about 87681.9474236288. The cubic root of 7688123904 is about 1973.6650834174.

The spelling of 7688123904 in words is "seven billion, six hundred eighty-eight million, one hundred twenty-three thousand, nine hundred four".