688884248 has 32 divisors (see below), whose sum is σ = 1417273200. Its totient is φ = 311945088.

The previous prime is 688884239. The next prime is 688884277. The reversal of 688884248 is 842488886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 688884193 and 688884202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56978 + ... + 68001.

Almost surely, 2^688884248 is an apocalyptic number.

It is an amenable number.

688884248 is an abundant number, since it is smaller than the sum of its proper divisors (728388952).

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

688884248 is a wasteful number, since it uses less digits than its factorization.

688884248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125051 (or 125047 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 56.

The square root of 688884248 is about 26246.6045042021. The cubic root of 688884248 is about 883.1790355231.

The spelling of 688884248 in words is "six hundred eighty-eight million, eight hundred eighty-four thousand, two hundred forty-eight".