688473848 has 16 divisors (see below), whose sum is σ = 1293546480. Its totient is φ = 343528128.

The previous prime is 688473847. The next prime is 688473853. The reversal of 688473848 is 848374886.

It is a junction number, because it is equal to n+sod(n) for n = 688473793 and 688473802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688473847) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 84461 + ... + 92252.

It is an arithmetic number, because the mean of its divisors is an integer number (80846655).

Almost surely, 2^688473848 is an apocalyptic number.

It is an amenable number.

688473848 is a deficient number, since it is larger than the sum of its proper divisors (605072632).

688473848 is a wasteful number, since it uses less digits than its factorization.

688473848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177206 (or 177202 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 56.

The square root of 688473848 is about 26238.7851852939. The cubic root of 688473848 is about 883.0036172394.

The spelling of 688473848 in words is "six hundred eighty-eight million, four hundred seventy-three thousand, eight hundred forty-eight".