688315004 has 48 divisors (see below), whose sum is σ = 1328527200. Its totient is φ = 310093056.

The previous prime is 688314983. The next prime is 688315009. The reversal of 688315004 is 400513886.

688315004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688315009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480962 + ... + 482390.

It is an arithmetic number, because the mean of its divisors is an integer number (27677650).

Almost surely, 2^688315004 is an apocalyptic number.

It is an amenable number.

688315004 is a deficient number, since it is larger than the sum of its proper divisors (640212196).

688315004 is a wasteful number, since it uses less digits than its factorization.

688315004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 688315004 is about 26235.7581175006. The cubic root of 688315004 is about 882.9357034447.

The spelling of 688315004 in words is "six hundred eighty-eight million, three hundred fifteen thousand, four".