688088048 has 10 divisors (see below), whose sum is σ = 1333170624. Its totient is φ = 344044016.

The previous prime is 688087973. The next prime is 688088083. The reversal of 688088048 is 840880886.

It is a junction number, because it is equal to n+sod(n) for n = 688087987 and 688088005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21502736 + ... + 21502767.

Almost surely, 2^688088048 is an apocalyptic number.

It is an amenable number.

688088048 is a deficient number, since it is larger than the sum of its proper divisors (645082576).

688088048 is a wasteful number, since it uses less digits than its factorization.

688088048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43005511 (or 43005505 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 50.

The square root of 688088048 is about 26231.4324427775. The cubic root of 688088048 is about 882.8386502143.

The spelling of 688088048 in words is "six hundred eighty-eight million, eighty-eight thousand, forty-eight".